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Realtek offers integrated, reliable, energy-efficient and Security wireless SoCs

Arm®/RISC-V MCU | Wi-Fi | Bluetooth | AI | Audio | HMI | Low Power | Security

Highlights

In addition to integrating essential peripheral interfaces for IoT development, Secure Boot, AES/SHA hardware encryption engine, authenticated debug access, Wi-Fi 4 2.4GHz, BLE, and other important functions, this IC also supports the following features:

Dual-core Architecture

Integrates an application processor and a network processor, with maximum frequencies of 345MHz and 115MHz respectively, supports FPU/DSP extension instructions, integrates 512KB SRAM, and supports DQ8 DDR PSRAM

System Security

Supports Arm TrustZone®-M, integrates authentication, TRNG, and is PSA Level 2 certified

Wi-Fi Features

Supports Wi-Fi 4 dual-band, R-MESH, network card mode

Bluetooth Features

Supports BLE 5.0, BLE Mesh 1.1, and BLE Long Range

Display Interface

Integrates OSPI display interface, pixel processing engine, and adapts to various display specifications

More

Ultra-low power, DMIC/I2S, USB 2.0 device mode

Part Number Comparison

Part number	RTL8721DAF-VA2-CG	RTL8721DAF-VT2-CG	RTL8721DAM-VA2-CG	RTL8721DCF-VA2-CG	RTL8721DCM-VA2-CG	RTL8721DCM-VA3-CG	RTL8721DGF-VW2-CG	RTL8721DGM-VW2-CG
Real-M300	345MHz	345MHz	345MHz	345MHz	345MHz	345MHz	345MHz	345MHz
Real-M200	115MHz	115MHz	115MHz	115MHz	115MHz	115MHz	115MHz	115MHz
On-chip SRAM	512KB	512KB	512KB	512KB	512KB	512KB	512KB	512KB
TrustZone	Y	Y	Y	Y	Y	Y	Y	Y
NOR Flash	4MB	4MB	X	4MB	X	X	4MB	X
PSRAM	X	X	4MB	X	4MB	8MB	X	4MB
Wi-Fi	Wi-Fi 4 (2.4GHz + 5GHz)	Wi-Fi 4 (2.4GHz + 5GHz)	Wi-Fi 4 (2.4GHz + 5GHz)	Wi-Fi 4 (2.4GHz + 5GHz)	Wi-Fi 4 (2.4GHz + 5GHz)	Wi-Fi 4 (2.4GHz + 5GHz)	Wi-Fi 4 (2.4GHz + 5GHz)	Wi-Fi 4 (2.4GHz + 5GHz)
Bluetooth	LE	LE	LE	LE	LE	LE	LE	LE
Operating voltage	2.97V ~ 3.63V	2.97V ~ 3.63V	2.97V ~ 3.63V	2.97V ~ 3.63V	2.97V ~ 3.63V	2.97V ~ 3.63V	1.71V ~ 3.63V	1.71V ~ 3.63V
Operating temperature	-20°C ~ 85°C	-40°C ~ 105°C	-20°C ~ 85°C	-20°C ~ 85°C	-20°C ~ 85°C	-20°C ~ 85°C	-20°C ~ 85°C	-20°C ~ 85°C
Package (mm)	QFN48 (6 x 6)	QFN48 (6 x 6)	QFN48 (6 x 6)	QFN68 (8 x 8)	QFN68 (8 x 8)	QFN68 (8 x 8)	BGA100 (5.1 x 5.1)	BGA100 (5.1 x 5.1)

System Architecture

Real-M300 (KM4)

• Armv8.1-M Architecture
• Arm® Cortex®-M55 ISA compatible
• Up to 345MHz, 3-stage pipeline
• 16KB instruction cache
• 16KB data cache
• FPU/DSP instruction extensions
• Arm TrustZone®-M

Real-M200 (KM0)

• Armv8-M Architecture
• Arm® Cortex®-M23 ISA compatible
• Up to 115MHz, 2-stage pipeline

Memory System

• 512KB SRAM
• QSPI NOR Flash: Up to 104MHz
• DQ8 DDR PSRAM: Up to 200MHz

Peripheral Interfaces

Function	Quantity	Notes
GPIO	56	pcs
SPI	2	pcs
UART	4	pcs
I2C	2	pcs
Key-Scan	64	keys
IR (Infrared Trnaseiver)	1	pcs
RTC	1	pcs
General Timer	10	pcs
PWM	8	channels
Capture Timer	1	pcs
12-bit ADC	7	channels
Dedicated Battery ADC	1	channel
Touch Keys	4	keys
GDMA	8	channels
Independent Watchdog	1	pcs
Secure Watchdog	1	pcs
Normal Watchdog	2	pcs
USB 2.0	1	pcs
SDIO Device	1	pcs
Serial LED Controller	1	pcs
Pixel Processing Engine	1	For fast image data processing
OSPI Display Interface	1	Supports OSPI, QSPI, SPI interface screens
Audio Codec	1	Includes 2-channel digital microphones (DMIC)
I2S	2	Up to 192kHz, supports up to 8-channel data TX/RX

Security Features

We consistently prioritize security as the core of our products, offering our customers a rich array of security features through hardware design and providing exceptional hardware-based attack resistance, helping to create IoT products with ultimate security.

Features	Support	Comment
Symmetric Encryption Engine
Asymmetric Encryption Engine
Secure Boot
Flash OTF Decryption
Arm TrustZone®-M
OTP Secure Storage
Debug Password Protection
HUK Derivation Mechanism
True Random Number Generator (TRNG)

PSA Level-2 Security Certification

Provide a laboratory evaluation of the PSA Root of Trust (PSA-RoT) to demonstrate its resilience against scalable software attacks.

Secure Boot

Based on asymmetric encryption and digital signature mechanisms, it verifies public key hashes and firmware signatures. This process can prevent tampering and rollback attacks, ensuring that the device only runs trusted firmware

Flash OTF Decryption

Supports both embedded and external Flash, with independent key encryption for multiple firmware. When the CPU executes encrypted firmware, it is decrypted in real-time by hardware, with nearly imperceptible performance impact. Supports unique encryption for each device, preventing injection and cloning attacks

Arm TrustZone®-M

Based on the Arm TrustZone® architecture, coupled with a dedicated hardware access control unit, it achieves strong isolation protection for secure memory areas and secure peripherals. Meanwhile, secure firmware is decrypted by the security encryption engine and loaded into the secure RAM area, ensuring protection against leakage and tampering throughout the entire process

OTP Secure Storage

Physical-level anti-extraction, key area locked for access only by the security engine, tamper-resistant and read-proof. Supports independent secure zones and CRC verification

True Random Number Generator (TRNG)

Generates high-security random numbers based on physical entropy sources. Certified by NIST for randomness. Provides unpredictability to the system, resistant to prediction attacks

HUK Derivation Mechanism

Hardware Unique Key (HUK) with physical isolation protection, unreadable and unclonable, used for secure derivation of application keys

Debug Password Protection

Strict control over debug interface access through authentication mechanisms. Supports authorized access and permanent closure, eliminating physical debug attacks. Meets security management requirements at different stages of the product lifecycle, effectively enhancing overall security

Security Certifications Support

We offer support for multiple security certifications. By providing these advanced security features and certification support, we aim to assist our customers in efficiently meeting various market entry requirements, ensuring the security and competitiveness of their products.

• PSA
• NIST STS
• NIST CAVP
• FIPS 140-3
• RED (EN 18031)

Most of our chips are capable of achieving PSA Certified Level 2 and Level 3, with some chips already having completed PSA Certified Level 2 certification.

Wireless Connectivity

Wi-Fi Features
Features	Support	Comment
Frequency	2.4GHz/5GHz
Wi-Fi 6
Bandwidth	40MHz
MaximumPHY rate	150Mbps	HT MCS7
Main Protocols	802.11 a/b/g/n
Sub-protocols	802.11 e/i/w/d/k/v/r
Other Key Protocols	WMM/WPA1~3/WPS/802.1X/EAP/P2P/NAN
UL LDPC		UL Low-Density Parity-Check Code
DL STBC		DL Space-Time Block Coding
Auto Antenna Diversity
CSI		Channel State Information
MCC		Multi-Channel Concurrency
R-MESH		Realtek MESH
Wi-Fi Card Mode
BT Features
Features	Support	Comment
BLE
Long-Range Mode		LE Coded PHY long-range mode (125kbps/500kbps)
Scatternet		8 masters + 3 slaves

Power Consumption

Mode	Wi-Fi	Power Consumption	Unit	Comment
Deep-Sleep	OFF	13.9	µA	Flash package
Sleep	OFF	37.7	µA	Flash package
Active	OFF	6.56	mA	0.9v WFI mode
WoWLAN	DTIM=3	165	µA	2.4G mode
WoWLAN	DTIM=10	84	µA	2.4G mode

NOTICE:

• Test conditions: 3.3V, 25°C
• WoWLAN: System average power consumption

Application Scenarios

• Dolby Atmos Speaker
• Wi-Fi Card Mode
• BLE gateway
• Smart POS
• Smart home

• Smart thermostat
• Smart door lock
• Battery camera
• Smart remote controller

Development Resources

Software Resources

	FreeRTOS SDK Download	Link
	FreeRTOS SDK Guide	Link
	Development Tools	Link
	VS Code Extension	Link

Hardware Resources

	Datasheet	Link
	Pinmux Table	Link
	Pinmux Auto-Layout	Link
	Schematic & PCB Design	Link

EVB Purchase

	PKE8721DAF-C13-F10 (Taobao)	Link
	PKE8721DAF-C13-F10 (Amazon)	Link

Highlights

In addition to essential features for IoT development like peripheral interfaces, secure boot, AES/SHA hardware crypto engine, and authenticated debug access, as well as Wi-Fi 4 2.4G and BLE, this IC also supports the following functions:

Dual-Core Architecture

Integrates two processors, Armv8.1-M and RISC-V, both running up to 400MHz. Integrates 768KB SRAM and supports DQ8 DDR PSRAM.

System Security

Supports TrustZone®-M, integrates TRNG/ECDSA, and is PSA Level 1 certified.

Wi-Fi Features

Supports Wi-Fi 6 2.4G, Network Adapter Mode

Bluetooth Features

Supports BLE 5.2, BLE Mesh 1.1, and BLE Long Range

Audio Codec

Integrates DMIC, I2S, VAD, and mono PDM output.

Part Number Comparison

Part number	RTL8720EAF-VA2-CG	RTL8720EAF-VA3-CG	RTL8720EAM-VA2-CG	RTL8720EAM-VT2-CG
Real-M300	400MHz	400MHz	400MHz	400MHz
KR4	400MHz	400MHz	400MHz	400MHz
DSP	X	X	X	X
On-chip SRAM	768KB	768KB	768KB	768KB
TrustZone	Y	Y	Y	Y
NOR Flash	4MB	8MB	X	X
PSRAM	X	X	4MB	4MB
Wi-Fi	Wi-Fi 6 (2.4GHz)	Wi-Fi 6 (2.4GHz)	Wi-Fi 6 (2.4GHz)	Wi-Fi 6 (2.4GHz)
Bluetooth	LE	LE	LE	LE
Operating voltage	2.97V ~ 3.63V	2.97V ~ 3.63V	2.97V ~ 3.63V	2.97V ~ 3.63V
Operating temperature	-20°C ~ 85°C	-20°C ~ 85°C	-20°C ~ 85°C	-40°C ~ 105°C
Package (mm)	QFN48 (6 x 6)	QFN48 (6 x 6)	QFN48 (6 x 6)	QFN48 (6 x 6)

System Architecture

Real-M300 (KM4)

• Armv8.1-M Architecture (Arm Cortex®-M55 ISA compatible)
• Up to 400MHz clock frequency, 3-stage pipeline
• 16KB instruction cache
• 16KB data cache
• Integrated FPU/DSP instruction extensions
• Hardware-level isolation with Arm TrustZone®-M

KR4

• RISC-V RV32IMAFC Architecture
• 400MHz Single-Issue In-Order Pipeline
• 16KB instruction cache
• 16KB data cache
• Open-source ISA architecture, supports custom extensions

Memory System

• 768KB SRAM
• QSPI NOR Flash: Up to 100MHz
• DQ8 DDR PSRAM: Up to 200MHz

Peripheral Interfaces

Function	Quantity	Notes
GPIO	27	pcs
SPI	2	pcs
UART	5	pcs
I2C	2	pcs
IR (Infrared Transceiver)	1	pcs
RTC	1	pcs
General Timer	15	pcs
PWM	8	channels
Capture Timer	1	pcs
12-bit ADC	6	channels
Touch Key	9	keys
GDMA	8	channels
Independent Watchdog	1	pcs
Secure Watchdog	1	pcs
Normal Watchdog	2	pcs
Serial LED Controller	1	pcs
On-chip Temperature Sensor	1	pcs
Digital Microphone	4	channels
I2S	2	Up to 192kHz sampling rate, up to 8-channel data transmission
VAD	1	Supports voice activity detection
PDM Output	1	Mono channel

Security Features

We consistently prioritize security as the core of our products, offering our customers a rich array of security features through hardware design and providing exceptional hardware-based attack resistance, helping to create IoT products with ultimate security.

Features	Support	Comment
Symmetric Encryption Engine
Asymmetric Encryption Engine		ECDSA
Secure Boot
Flash OTF Decryption
Arm TrustZone®-M
OTP Secure Storage
Debug Password Protection
HUK Derivation Mechanism
True Random Number Generator (TRNG)

Secure Boot

Based on asymmetric encryption and digital signature mechanisms, it verifies public key hashes and firmware signatures. This process can prevent tampering and rollback attacks, ensuring that the device only runs trusted firmware

Flash OTF Decryption

Supports both embedded and external Flash, with independent key encryption for multiple firmware. When the CPU executes encrypted firmware, it is decrypted in real-time by hardware, with nearly imperceptible performance impact. Supports unique encryption for each device, preventing injection and cloning attacks

Arm TrustZone®-M

Based on the Arm TrustZone® architecture, coupled with a dedicated hardware access control unit, it achieves strong isolation protection for secure memory areas and secure peripherals. Meanwhile, secure firmware is decrypted by the security encryption engine and loaded into the secure RAM area, ensuring protection against leakage and tampering throughout the entire process

Asymmetric Encryption Engine

In addition to the essential symmetric encryption engines like AES for IoT, we also provide computationally more intensive asymmetric encryption algorithms such as ECDSA, EdDSA, and RSA. This greatly alleviates the computational burden on the CPU and improves encryption and decryption speeds

OTP Secure Storage

Physical-level anti-extraction, key area locked for access only by the security engine, tamper-resistant and read-proof. Supports independent secure zones and CRC verification

True Random Number Generator (TRNG)

Generates high-security random numbers based on physical entropy sources. Certified by NIST for randomness. Provides unpredictability to the system, resistant to prediction attacks

HUK Derivation Mechanism

Hardware Unique Key (HUK) with physical isolation protection, unreadable and unclonable, used for secure derivation of application keys

Debug Password Protection

Strict control over debug interface access through authentication mechanisms. Supports authorized access and permanent closure, eliminating physical debug attacks. Meets security management requirements at different stages of the product lifecycle, effectively enhancing overall security

Security Certifications Support

We offer support for multiple security certifications. By providing these advanced security features and certification support, we aim to assist our customers in efficiently meeting various market entry requirements, ensuring the security and competitiveness of their products.

• PSA
• NIST STS
• NIST CAVP
• FIPS 140-3
• RED (EN 18031)

Most of our chips are capable of achieving PSA Certified Level 2 and Level 3, with some chips already having completed PSA Certified Level 2 certification.

Wireless Connectivity

Wi-Fi Features
Features	Support	Comment
Frequency	2.4GHz
Wi-Fi 6
Bandwidth	20MHz
Maximum PHY rate	114.7Mbps	HE MCS9
Main Protocols	802.11 b/g/n/ax
Sub-protocols	802.11 e/i/w/d/k/v/r
Other Key Protocols	WMM/WPA1~3/WPS/802.1X/EAP/P2P/NAN
UL/DL OFDMA & DL MU-MIMO
SU/MU Beamformee
TWT		Target Wake Time
UL LDPC		UL Low-Density Parity-Check Code
DL STBC		DL Space-Time Block Coding
Auto Antenna Diversity
CSI		Channel State Information
MCC		Multi-Channel Concurrency
Wi-Fi Card Mode
BT Features
Features	Support	Comment
BLE
Long-Range Mode		LE Coded PHY long-range mode (125kbps/500kbps)
Scatternet		Scatternet concurrent master/slave operation
AoA/AoD positioning		±15° accuracy
SIG Mesh		Certified for SIG Mesh v1.0/v1.1.1

System Power Consumption

Mode	Wi-Fi	Power Consumption	Unit	Comment
Deep-Sleep	OFF	57.4	µA	PSRAM package
Sleep	OFF	700	µA	PSRAM package
Active	OFF	20.0	mA	0.9v WFI mode, CPU frequency=400MHz
WoWLAN	DTIM=3	1.48	mA	2.4G mode
WoWLAN	DTIM=10	1.36	mA	2.4G mode

NOTICE:

• Test conditions: 3.3V, 25°C
• WoWLAN: System average power consumption

Application Scenarios

• Home appliance
• Industrial control
• Energy storage

• Smart thermostat
• BLE gateway
• Micro inverter

Development Resources

Software Resources

	FreeRTOS SDK Download	Link
	FreeRTOS SDK Guide	Link
	Development Tools	Link
	VS Code Extension	Link

Hardware Resources

	Datasheet	Link
	Pinmux Table	Link
	Pinmux Auto-Layout	Link
	Schematic & PCB Design	Link

EVB Purchase

RTL8720EAM EVB (Taobao)

Link

Highlights

In addition to essential features for IoT development like peripheral interfaces, secure boot, AES/SHA hardware crypto engine, and authenticated debug access, as well as Wi-Fi 4 2.4G and BLE, this IC also supports the following functions:

Dual-Core Architecture

Integrates two processors, Armv8.1-M and RISC-V, both running up to 400MHz. Integrates 512KB SRAM and supports DQ8 DDR PSRAM.

Wi-Fi Features

Supports Wi-Fi 6 2.4G, Network Adapter Mode

Bluetooth Features

Supports BLE 5.2, BLE Mesh 1.1, and BLE Long Range

Audio Codec

Integrates DMIC, I2S, VAD, and mono PDM output.

Part Number Comparison

Package number	RTL8710ECF-VA2-CG	RTL8710ECF-VA3-CG	RTL8710ECM-VA2-CG
Real-M300	400MHz	400MHz	400MHz
KR4	400MHz	400MHz	400MHz
DSP	X	X	X
On-chip SRAM	512KB	512KB	512KB
TrustZone	X	X	X
NOR Flash	4MB	8MB	X
PSRAM	X	X	4MB
Wi-Fi	Wi-Fi 6 (2.4GHz)	Wi-Fi 6 (2.4GHz)	Wi-Fi 6 (2.4GHz)
Bluetooth	LE	LE	LE
Operating voltage	2.97V ~ 3.63V	2.97V ~ 3.63V	2.97V ~ 3.63V
Operating temperature	-20°C ~ 85°C	-20°C ~ 85°C	-20°C ~ 85°C
Package (mm)	QFN48 (6 x 6)	QFN48 (6 x 6)	QFN48 (6 x 6)

System Architecture

Real-M300 (KM4)

• Armv8.1-M Architecture (Arm Cortex®-M55 ISA compatible)
• Up to 400MHz clock frequency, 3-stage pipeline
• 16KB instruction cache
• 16KB data cache
• Integrated FPU/DSP instruction extensions

KR4

• RISC-V RV32IMAFC Architecture
• 400MHz Single-Issue In-Order Pipeline
• 16KB instruction cache
• 16KB data cache
• Open-source ISA architecture, supports custom extensions

Memory System

• 512KB SRAM
• QSPI NOR Flash: Up to 100MHz
• DQ8 DDR PSRAM: Up to 250MHz

Peripheral Interfaces

Function	Quantity	Notes
GPIO	27	pcs
SPI	2	pcs
UART	5	pcs
I2C	2	pcs
IR (Infrared Transceiver)	1	pcs
RTC	1	pcs
General Timer	15	pcs
PWM	8	channels
Capture Timer	1	pcs
12-bit ADC	6	channels
Touch Key	9	keys
GDMA	8	channels
Independent Watchdog	1	pcs
Normal Watchdog	3	pcs
Serial LED Controller	1	pcs
On-chip Temperature Sensor	1	pcs
Digital Microphone	4	channels
I2S	2	Up to 192kHz sampling rate, up to 8 channels data transfer
VAD	1	Supports Voice Activity Detection
PDM Output	1	Mono channel

Security Features

We consistently prioritize security as the core of our products, offering our customers a rich array of security features through hardware design and providing exceptional hardware-based attack resistance, helping to create IoT products with ultimate security.

Features	Support	Comment
Symmetric Encryption Engine
Asymmetric Encryption Engine		ECDSA
Secure Boot
Flash OTF Decryption
Arm TrustZone®-M
OTP Secure Storage
Debug Password Protection
HUK Derivation Mechanism
True Random Number Generator (TRNG)

Secure Boot

Based on asymmetric encryption and digital signature mechanisms, it verifies public key hashes and firmware signatures. This process can prevent tampering and rollback attacks, ensuring that the device only runs trusted firmware

Flash OTF Decryption

Supports both embedded and external Flash, with independent key encryption for multiple firmware. When the CPU executes encrypted firmware, it is decrypted in real-time by hardware, with nearly imperceptible performance impact. Supports unique encryption for each device, preventing injection and cloning attacks

Asymmetric Encryption Engine

In addition to the essential symmetric encryption engines like AES for IoT, we also provide computationally more intensive asymmetric encryption algorithms such as ECDSA, EdDSA, and RSA. This greatly alleviates the computational burden on the CPU and improves encryption and decryption speeds

OTP Secure Storage

Physical-level anti-extraction, key area locked for access only by the security engine, tamper-resistant and read-proof. Supports independent secure zones and CRC verification

True Random Number Generator (TRNG)

Generates high-security random numbers based on physical entropy sources. Certified by NIST for randomness. Provides unpredictability to the system, resistant to prediction attacks

HUK Derivation Mechanism

Hardware Unique Key (HUK) with physical isolation protection, unreadable and unclonable, used for secure derivation of application keys

Debug Password Protection

Strict control over debug interface access through authentication mechanisms. Supports authorized access and permanent closure, eliminating physical debug attacks. Meets security management requirements at different stages of the product lifecycle, effectively enhancing overall security

Security Certifications Support

We offer support for multiple security certifications. By providing these advanced security features and certification support, we aim to assist our customers in efficiently meeting various market entry requirements, ensuring the security and competitiveness of their products.

• PSA
• NIST STS
• NIST CAVP
• FIPS 140-3
• RED (EN 18031)

Most of our chips are capable of achieving PSA Certified Level 2 and Level 3, with some chips already having completed PSA Certified Level 2 certification.

Wireless Connectivity

Wi-Fi Features
Features	Support	Comment
Frequency	2.4GHz
Wi-Fi 6
Bandwidth	20MHz
Maximum PHY rate	114.7Mbps	HE MCS9
Main Protocols	802.11 b/g/n/ax
Sub-protocols	802.11 e/i/w/d/k/v/r
Other Key Protocols	WMM/WPA1~3/WPS/802.1X/EAP/P2P/NAN
UL/DL OFDMA & DL MU-MIMO
SU/MU Beamformee
TWT		Target Wake Time
UL LDPC		UL Low-Density Parity-Check Code
DL STBC		DL Space-Time Block Coding
Auto Antenna Diversity
CSI		Channel State Information
MCC		Multi-Channel Concurrency
Wi-Fi Card Mode
BT Features
Features	Support	Comment
BLE
Long-Range Mode		LE Coded PHY long-range mode (125kbps/500kbps)
Scatternet		Scatternet concurrent master/slave operation
AoA/AoD positioning		±15° accuracy
SIG Mesh		Certified for SIG Mesh v1.0/v1.1.1

System Power Consumption

Mode	Wi-Fi	Power Consumption	Unit	Comment
Deep-Sleep	OFF	57.4	µA	PSRAM package
Sleep	OFF	700	µA	PSRAM package
Active	OFF	20.0	mA	0.9v WFI mode, CPU frequency=400MHz
WoWLAN	DTIM=3	1.48	mA	2.4G mode
WoWLAN	DTIM=10	1.36	mA	2.4G mode

NOTICE:

• Test conditions: 3.3V, 25°C
• WoWLAN: System average power consumption

Application Scenarios

• Home appliance
• Industrial control
• Energy storage

• Smart thermostat
• BLE gateway
• Micro inverter

Development Resources

Software Resources

	FreeRTOS SDK Download	Link
	FreeRTOS SDK Guide	Link
	Development Tools	Link
	VS Code Extension	Link

Hardware Resources

	Datasheet	Link
	Pinmux Table	Link
	Pinmux Auto-Layout	Link
	Schematic & PCB Design	Link

EVB Purchase

	PKE8710ECF-C53-F20 (Taobao)	Link
	PKE8710ECF-C53-F20 (Amazon)	Link

Highlights

In addition to essential features for IoT development like peripheral interfaces, secure boot, AES/SHA hardware crypto engine, and authenticated debug access, as well as Wi-Fi 4 2.4G and BLE, this IC also supports the following functions:

Multi-Core Architecture

Integrates two processors, Armv8.1-M and RISC-V, both running up to 400MHz. Integrates 512KB SRAM and supports DQ8 DDR PSRAM.

HiFi 5 DSP

Integrates HiFi 5 DSP, up to 500MHz, supports 8 x 32-bit MAC, 8 x SP-FMAC, and 32 x 8-bit MAC, with a built-in 256KB dedicated DTCM.

System Security

Supports TrustZone®-M, integrates TRNG/ECDSA, and is PSA Level 1 certified.

Wi-Fi Features

Supports Wi-Fi 6 2.4G, Network Adapter Mode

Bluetooth Features

Supports Classic Bluetooth, BLE 5.2, BLE Mesh 1.1, and BLE Long Range.

Audio Codec

Integrates DMIC, I2S, VAD, mono PDM output, and a mono DAC. Supports line-out.

Part Number Comparison

Package number	RTL8726EAM-VA4-CG
Real-M300	400MHz
KR4	400MHz
DSP	500MHz
On-chip SRAM	512KB
TrustZone	Y
NOR Flash	X
PSRAM	16MB
Wi-Fi	Wi-Fi 6 (2.4GHz)
Bluetooth	Dual Mode
Operating voltage	2.97V ~ 3.63V
Operating temperature	-20°C ~ 85°C
Package (mm)	QFN68 (8 x 8)

System Architecture

Real-M300 (KM4)

• Armv8.1-M Architecture (Arm Cortex®-M55 ISA compatible)
• Up to 400MHz clock frequency, 3-stage pipeline
• 16KB instruction cache
• 16KB data cache
• Integrated FPU/DSP instruction extensions
• Hardware-level isolation with Arm TrustZone®-M

KR4

• RISC-V RV32IMAFC Architecture
• 400MHz Single-Issue In-Order Pipeline
• 16KB instruction cache
• 16KB data cache
• Open-source ISA architecture, supports custom extensions

Cadence® Tensilica® HiFi 5 DSP

• 500MHz 5-slot VLIW architecture
• 8 x 32-bit MACs/cycle
• 8 x SP-FMACs/cycle
• 32 x 8-bit MACs/cycle
• 256KB dedicated DTCM
• 32KB instruction cache, 48KB data cache

Memory System

• 512KB SRAM
• QSPI NOR Flash: Up to 100MHz
• DQ8 DDR PSRAM: Up to 250MHz

Peripheral Interfaces

Function	Quantity	Notes
GPIO	43	pcs
SPI	2	pcs
UART	5	pcs
I2C	2	pcs
IR (Infrared Transceiver)	1	pcs
RTC	1	pcs
General Timer	15	pcs
PWM	8	channels
Capture Timer	1	pcs
12-bit ADC	6	channels
Touch Key	9	keys
GDMA	8	channels
Independent Watchdog	1	pcs
Secure Watchdog	1	pcs
Normal Watchdog	3	pcs
Serial LED Controller	1	pcs
On-chip Temperature Sensor	1	pcs
Digital Microphone	4	channels
I2S	2	Up to 192kHz sampling rate, up to 8-channel data transmission
Audio ADC	3	channels
VAD	1	Supports voice activity detection
PDM Output	1	Mono channel
Audio DAC	1	Mono channel, supports linear output

Security Features

We consistently prioritize security as the core of our products, offering our customers a rich array of security features through hardware design and providing exceptional hardware-based attack resistance, helping to create IoT products with ultimate security.

Features	Support	Comment
Symmetric Encryption Engine
Asymmetric Encryption Engine		ECDSA
Secure Boot
Flash OTF Decryption
Arm TrustZone®-M
OTP Secure Storage
Debug Password Protection
HUK Derivation Mechanism
True Random Number Generator (TRNG)

Secure Boot

Based on asymmetric encryption and digital signature mechanisms, it verifies public key hashes and firmware signatures. This process can prevent tampering and rollback attacks, ensuring that the device only runs trusted firmware

Flash OTF Decryption

Supports both embedded and external Flash, with independent key encryption for multiple firmware. When the CPU executes encrypted firmware, it is decrypted in real-time by hardware, with nearly imperceptible performance impact. Supports unique encryption for each device, preventing injection and cloning attacks

Arm TrustZone®-M

Based on the Arm TrustZone® architecture, coupled with a dedicated hardware access control unit, it achieves strong isolation protection for secure memory areas and secure peripherals. Meanwhile, secure firmware is decrypted by the security encryption engine and loaded into the secure RAM area, ensuring protection against leakage and tampering throughout the entire process

Asymmetric Encryption Engine

In addition to the essential symmetric encryption engines like AES for IoT, we also provide computationally more intensive asymmetric encryption algorithms such as ECDSA, EdDSA, and RSA. This greatly alleviates the computational burden on the CPU and improves encryption and decryption speeds

OTP Secure Storage

Physical-level anti-extraction, key area locked for access only by the security engine, tamper-resistant and read-proof. Supports independent secure zones and CRC verification

True Random Number Generator (TRNG)

Generates high-security random numbers based on physical entropy sources. Certified by NIST for randomness. Provides unpredictability to the system, resistant to prediction attacks

HUK Derivation Mechanism

Hardware Unique Key (HUK) with physical isolation protection, unreadable and unclonable, used for secure derivation of application keys

Debug Password Protection

Strict control over debug interface access through authentication mechanisms. Supports authorized access and permanent closure, eliminating physical debug attacks. Meets security management requirements at different stages of the product lifecycle, effectively enhancing overall security

Security Certifications Support

We offer support for multiple security certifications. By providing these advanced security features and certification support, we aim to assist our customers in efficiently meeting various market entry requirements, ensuring the security and competitiveness of their products.

• PSA
• NIST STS
• NIST CAVP
• FIPS 140-3
• RED (EN 18031)

Most of our chips are capable of achieving PSA Certified Level 2 and Level 3, with some chips already having completed PSA Certified Level 2 certification.

Wireless Connectivity

Wi-Fi Features
Features	Support	Comment
Frequency	2.4GHz
Wi-Fi 6
Bandwidth	20MHz
Maximum PHY rate	114.7Mbps	HE MCS9
Main Protocols	802.11 b/g/n/ax
Sub-protocols	802.11 e/i/w/d/k/v/r
Other Key Protocols	WMM/WPA1~3/WPS/802.1X/EAP/P2P/NAN
UL/DL OFDMA & DL MU-MIMO
SU/MU Beamformee
TWT		Target Wake Time
UL LDPC		UL Low-Density Parity-Check Code
DL STBC		DL Space-Time Block Coding
Auto Antenna Diversity
CSI		Channel State Information
MCC		Multi-Channel Concurrency
Wi-Fi Card Mode
BT Features
Features	Support	Comment
BLE
Long-Range Mode		LE Coded PHY long-range mode (125kbps/500kbps)
Scatternet		Scatternet concurrent master/slave operation
AoA/AoD positioning		±15° accuracy
SIG Mesh		Certified for SIG Mesh v1.0/v1.1.1

System Power Consumption

Mode	Wi-Fi	Power Consumption	Unit	Comment
Deep-Sleep	OFF	57.4	µA
Sleep	OFF	700	µA
Active	OFF	12.7	mA	0.9v WFI mode, CPU=300MHz, DSP=400MHz
WoWLAN	DTIM=3	1.48	mA	2.4G mode
WoWLAN	DTIM=10	1.36	mA	2.4G mode

NOTICE:

• Test conditions: 3.3V, 25°C
• WoWLAN: System average power consumption

Application Scenarios

• Home appliance
• Smart voice assistant
• Smart bluetooth speaker
• Energy storage

• Intelligent device
• Smart audio
• BLE gateway
• Micro inverter

Development Resources

Software Resources

	HiFi DSP SDK Download	Link
	HiFi DSP SDK Guide	Link
	FreeRTOS SDK Download	Link
	FreeRTOS SDK Guide	Link
	Development Tools	Link
	VS Code Extension	Link

Hardware Resources

	Datasheet	Link
	Pinmux Table	Link
	Pinmux Auto-Layout	Link
	Schematic & PCB Design	Link

Highlights

In addition to essential features for IoT development like peripheral interfaces, secure boot, AES/SHA hardware crypto engine, and authenticated debug access, as well as Wi-Fi 4 2.4G and BLE, this IC also supports the following functions:

Multi-Core Architecture

Integrates two processors, Armv8.1-M and RISC-V, both running up to 400MHz. Integrates 512KB SRAM and supports DQ8 DDR PSRAM.

HiFi 5 DSP

Integrates HiFi 5 DSP, up to 500MHz, supports 8 x 32-bit MAC, 8 x SP-FMAC, and 32 x 8-bit MAC, with a built-in 256KB dedicated DTCM.

Wi-Fi Features

Supports Wi-Fi 6 2.4G, Network Adapter Mode

Bluetooth Features

Supports Classic Bluetooth, BLE 5.2, BLE Mesh 1.1, and BLE Long Range.

Audio Codec

Integrates DMIC, I2S, VAD, mono PDM output, and a mono DAC. Supports line-out.

Part Number Comparison

Package number	RTL8713ECM-VA4-CG	RTL8713ECM-VA3-CG
Real-M300	400MHz	400MHz
KR4	400MHz	400MHz
DSP	500MHz	500MHz
On-chip SRAM	512KB	512KB
TrustZone	X	X
NOR Flash	X	X
PSRAM	16MB	8MB
Wi-Fi	Wi-Fi 6 (2.4GHz)	Wi-Fi 6 (2.4GHz)
Bluetooth	Dual Mode	Dual Mode
Operating voltage	2.97V ~ 3.63V	2.97V ~ 3.63V
Operating temperature	-20°C ~ 85°C	-20°C ~ 85°C
Package (mm)	QFN68 (8 x 8)	QFN68 (8 x 8)

System Architecture

Real-M300 (KM4)

• Armv8.1-M Architecture (Arm Cortex®-M55 ISA compatible)
• Up to 400MHz clock frequency, 3-stage pipeline
• 16KB instruction cache
• 16KB data cache
• Integrated FPU/DSP instruction extensions

KR4

• RISC-V RV32IMAFC Architecture
• 400MHz Single-Issue In-Order Pipeline
• 16KB instruction cache
• 16KB data cache
• Open-source ISA architecture, supports custom extensions

Cadence® Tensilica® HiFi 5 DSP

• 500MHz 5-slot VLIW architecture
• 8 x 32-bit MACs/cycle
• 8 x SP-FMACs/cycle
• 32 x 8-bit MACs/cycle
• 256KB dedicated DTCM
• 32KB instruction cache, 48KB data cache

Memory System

• 512KB SRAM
• QSPI NOR Flash: Up to 100MHz
• DQ8 DDR PSRAM: Up to 250MHz

Peripheral Interfaces

Function	Quantity	Notes
GPIO	43	pcs
SPI	2	pcs
UART	5	pcs
I2C	2	pcs
IR (Infrared Transceiver)	1	pcs
RTC	1	pcs
General Timer	15	pcs
PWM	8	channels
Capture Timer	1	pcs
12-bit ADC	6	channels
Touch Keys	9	keys
GDMA	8	channels
Independent Watchdog	1	pcs
Normal Watchdog	3	pcs
Serial LED Controller	1	pcs
On-chip Temperature Sensor	1	pcs
Digital Microphone	4	channels
I2S	2	Up to 192kHz sampling rate, up to 8-channel data transfer
Audio ADC	3	channels
VAD	1	Supports Voice Activity Detection
PDM Output	1	Mono channel
Audio DAC	1	Mono channel, supports linear output

Security Features

We consistently prioritize security as the core of our products, offering our customers a rich array of security features through hardware design and providing exceptional hardware-based attack resistance, helping to create IoT products with ultimate security.

Features	Support	Comment
Symmetric Encryption Engine		ECDSA
Asymmetric Encryption Engine
Secure Boot
Flash OTF Decryption
Arm TrustZone®-M
OTP Secure Storage
Debug Password Protection
HUK Derivation Mechanism
True Random Number Generator (TRNG)

Secure Boot

Based on asymmetric encryption and digital signature mechanisms, it verifies public key hashes and firmware signatures. This process can prevent tampering and rollback attacks, ensuring that the device only runs trusted firmware

Flash OTF Decryption

Supports both embedded and external Flash, with independent key encryption for multiple firmware. When the CPU executes encrypted firmware, it is decrypted in real-time by hardware, with nearly imperceptible performance impact. Supports unique encryption for each device, preventing injection and cloning attacks

Asymmetric Encryption Engine

In addition to the essential symmetric encryption engines like AES for IoT, we also provide computationally more intensive asymmetric encryption algorithms such as ECDSA, EdDSA, and RSA. This greatly alleviates the computational burden on the CPU and improves encryption and decryption speeds

OTP Secure Storage

Physical-level anti-extraction, key area locked for access only by the security engine, tamper-resistant and read-proof. Supports independent secure zones and CRC verification

True Random Number Generator (TRNG)

Generates high-security random numbers based on physical entropy sources. Certified by NIST for randomness. Provides unpredictability to the system, resistant to prediction attacks

HUK Derivation Mechanism

Hardware Unique Key (HUK) with physical isolation protection, unreadable and unclonable, used for secure derivation of application keys

Debug Password Protection

Strict control over debug interface access through authentication mechanisms. Supports authorized access and permanent closure, eliminating physical debug attacks. Meets security management requirements at different stages of the product lifecycle, effectively enhancing overall security

Security Certifications Support

We offer support for multiple security certifications. By providing these advanced security features and certification support, we aim to assist our customers in efficiently meeting various market entry requirements, ensuring the security and competitiveness of their products.

• PSA
• NIST STS
• NIST CAVP
• FIPS 140-3
• RED (EN 18031)

Most of our chips are capable of achieving PSA Certified Level 2 and Level 3, with some chips already having completed PSA Certified Level 2 certification.

Wireless Connectivity

Wi-Fi Features
Features	Support	Comment
Frequency	2.4GHz
Wi-Fi 6
Bandwidth	20MHz
Maximum PHY rate	114.7Mbps	HE MCS9
Main Protocols	802.11 b/g/n/ax
Sub-protocols	802.11 e/i/w/d/k/v/r
Other Key Protocols	WMM/WPA1~3/WPS/802.1X/EAP/P2P/NAN
UL/DL OFDMA & DL MU-MIMO
SU/MU Beamformee
TWT		Target Wake Time
UL LDPC		UL Low-Density Parity-Check Code
DL STBC		DL Space-Time Block Coding
Auto Antenna Diversity
CSI		Channel State Information
MCC		Multi-Channel Concurrency
Wi-Fi Card Mode
BT Features
Features	Support	Comment
BLE
Long-Range Mode		LE Coded PHY long-range mode (125kbps/500kbps)
Scatternet		Scatternet concurrent master/slave operation
AoA/AoD positioning		±15° accuracy
SIG Mesh		Certified for SIG Mesh v1.0/v1.1.1

System Power Consumption

Mode	Wi-Fi	Power Consumption	Unit	Comment
Deep-Sleep	OFF	57.4	µA
Sleep	OFF	700	µA
Active	OFF	12.7	mA	0.9v WFI mode, CPU=300MHz, DSP=400MHz
WoWLAN	DTIM=3	1.48	mA	2.4G mode
WoWLAN	DTIM=10	1.36	mA	2.4G mode

NOTICE:

• Test conditions: 3.3V, 25°C
• WoWLAN: System average power consumption

Application Scenarios

• Home appliance
• Smart voice assistant
• Smart bluetooth speaker
• Energy storage

• Intelligent device
• Smart audio
• BLE gateway
• Micro inverter

Development Resources

Software Resources

	HiFi DSP SDK Download	Link
	HiFi DSP SDK Guide	Link
	FreeRTOS SDK Download	Link
	FreeRTOS SDK Guide	Link
	Development Tools	Link
	VS Code Extension	Link

Hardware Resources

	Datasheet	Link
	Pinmux Table	Link
	Pinmux Auto-Layout	Link
	Schematic & PCB Design	Link

EVB Purchase

	PKE8713ECM-VA4-N43 (Taobao)	Link
	PKE8713ECM-VA4-N43 (Amazon)	Link

Highlights

除了集成 IoT 开发所必须的外设接口、安全启动、硬件加密引擎 AES/SHA、调试密码保护、WIFi4 2.4G、BLE 等重要功能之外，该 IC 还支持如下功能：

Arm Cortex®-A32 Dual-core

Integrates a dual-core Arm Cortex®-A32 processor, up to 1.2GHz, with Armv8-A NEON, optional Linux/FreeRTOS, 256KB SRAM, DQ16 DDR2/DDR3L, and DQ8 DDR PSRAM

Multi-core Architecture

Integrates an Armv8.1-M network processor and an Armv8-M low-power processor, up to 333MHz and 40MHz respectively, supporting MVE, FPU, and DSP extension instructions

System Security

Supports Arm TrustZone®, with integrated TRNG/ECDSA/EdDSA/RSA

Wi-Fi Features

Supports dual-band Wi-Fi 6, independent Wi-Fi/BT RF and antennas

Bluetooth Features

Supports Classic Bluetooth, BLE 5.3, BLE Mesh 1.1, and BLE Long Range

Audio Codec

Integrated DMIC, I2S, VAD, ADC, dual-channel PDM output, and dual-channel DAC, supporting headphone amplifier or line-out

Display Interface

Integrated MIPI-DSI display interface

More

USB 2.0/SD card/eMMC

Part Number Comparison

Package number	RTL8730EAH-VA3-CG	RTL8730EAH-VD3-CG	RTL8730EAH-VH6-CG	RTL8730EAM-VA6-CG	RTL8730ELH-VA3-CG	RTL8730ELM-VA7-CG	RTL8730ELM-VA8-CG
CA32	1.2GHz	1.2GHz	1.2GHz	1.2GHz	1.2GHz	1.2GHz	1.2GHz
Real-M300	333MHz	333MHz	333MHz	333MHz	333MHz	333MHz	333MHz
Real-M200	40MHz	40MHz	40MHz	40MHz	40MHz	40MHz	40MHz
On-chip SRAM	256KB	256KB	256KB	256KB	256KB	256KB	256KB
TrustZone	Y	Y	Y	Y	Y	Y	Y
NOR Flash	8MB	16MB	32MB	X	8MB	X	X
PSRAM	8MB	8MB	X	X	8MB	X	X
DDR	X	X	64MB (DDR2)	64MB (DDR2)	X	128MB (DDR2)	256MB (DDR3L)
Wi-Fi	Wi-Fi 6 (2.4GHz + 5GHz)	Wi-Fi 6 (2.4GHz + 5GHz)	Wi-Fi 6 (2.4GHz + 5GHz)	Wi-Fi 6 (2.4GHz + 5GHz)	Wi-Fi 6 (2.4GHz + 5GHz)	Wi-Fi 6 (2.4GHz + 5GHz)	Wi-Fi 6 (2.4GHz + 5GHz)
Bluetooth	Dual Mode	Dual Mode	Dual Mode	Dual Mode	Dual Mode	Dual Mode	Dual Mode
Operating voltage	2.97V ~ 3.63V	2.97V ~ 3.63V	2.97V ~ 3.63V	2.97V ~ 3.63V	2.97V ~ 3.63V	2.97V ~ 3.63V	2.97V ~ 3.63V
Operating temperature	-20°C ~ 85°C	-20°C ~ 85°C	-20°C ~ 85°C	-20°C ~ 85°C	-20°C ~ 85°C	-20°C ~ 85°C	-20°C ~ 85°C
Package (mm)	QFN100 (10 x 10)	QFN100 (10 x 10)	QFN100 (10 x 10)	QFN100 (10 x 10)	DR-QFN144 (11 x 11)	DR-QFN144 (11 x 11)	DR-QFN144 (11 x 11)

System Architecture

Dual-core Arm Cortex®-A32

• Armv8-A architecture (ISA)
• Up to 1.2GHz, 8-stage in-order pipeline
• 32KB I-Cache
• 32KB D-Cache
• 256KB L2 cache
• Arm TrustZone® security for secure/non-secure domain isolation

Real-M300（KM4）

• Armv8.1-M architecture
• Arm Cortex®-M55 ISA compatible
• Up to 333MHz, 3-stage pipeline
• 64KB I-Cache
• 32KB D-Cache
• Integrated FPU/DSP/MVE extensions
• Arm TrustZone®-M hardware isolation

Real-M200（KM0）

• Armv8-M architecture
• Arm Cortex®-M23 ISA compatible
• Optimized for power-critical applications
• Up to 40MHz
• 16KB I-Cache
• 8KB D-Cache

Memory System

• 256KB SRAM
• QSPI NOR/NAND Flash：up to 100MHz
• DQ8 DDR PSRAM：up to 250MHz
• DQ16 DDR2/DDR3L：up to 533MHz

Peripheral Interfaces

Function	Quantity	Notes
GPIO	61	pcs
SPI	2	pcs
UART	5	pcs
I2C	3	pcs
IR (Infrared Transceiver)	1	pcs
RTC	1	个
General Timer	12	pcs
PWM	6	channels
Capture Timer	1	pcs
12-bit ADC	6	channels
Battery Measurement Dedicated ADC	1	channel
Touch Key	9	keys
GDMA	8	channels
Independent Watchdog	1	pcs
Secure Watchdog	2	pcs
Normal Watchdog	2	pcs
USB 2.0	1	pcs
SD Host Controller	1	Support SD card/eMMC/SDIO device
Serial LED Controller	1	pcs
MIPI-DSI Display Interface	1	Dual channels, integrated D-PHY, single channel rate 1Gbps
On-chip Temperature Sensor	1	pcs
Digital Microphone	8	channels
I2S	2	Up to 384kHz sampling rate, up to 8 channels data transfer
Audio ADC	5	channels
VAD	1	Supports Voice Activity Detection
PDM Output	1	Dual channel
Audio DAC	2	Dual channel, supports line-out or headphone amplifier

Security Features

We consistently prioritize security as the core of our products, offering our customers a rich array of security features through hardware design and providing exceptional hardware-based attack resistance, helping to create IoT products with ultimate security.

Features	Support	Comment
Symmetric Encryption Engine
Asymmetric Encryption Engine		ECDSA/EdDSA/RSA
Secure Boot
Flash OTF Decryption
Arm TrustZone®-M
OTP Secure Storage
Debug Password Protection
HUK Derivation Mechanism
True Random Number Generator (TRNG)

Secure Boot

Based on asymmetric encryption and digital signature mechanisms, it verifies public key hashes and firmware signatures. This process can prevent tampering and rollback attacks, ensuring that the device only runs trusted firmware

Flash OTF Decryption

Supports both embedded and external Flash, with independent key encryption for multiple firmware. When the CPU executes encrypted firmware, it is decrypted in real-time by hardware, with nearly imperceptible performance impact. Supports unique encryption for each device, preventing injection and cloning attacks

Arm TrustZone®-A

Based on the Arm TrustZone® architecture, coupled with a dedicated hardware access control unit, it achieves strong isolation protection for secure memory areas and secure peripherals. Meanwhile, secure firmware is decrypted by the security encryption engine and loaded into the secure RAM area, ensuring protection against leakage and tampering throughout the entire process

Asymmetric Encryption Engine

In addition to the essential symmetric encryption engines like AES for IoT, we also provide computationally more intensive asymmetric encryption algorithms such as ECDSA, EdDSA, and RSA. This greatly alleviates the computational burden on the CPU and improves encryption and decryption speeds

OTP Secure Storage

Physical-level anti-extraction, key area locked for access only by the security engine, tamper-resistant and read-proof. Supports independent secure zones and CRC verification

True Random Number Generator (TRNG)

Generates high-security random numbers based on physical entropy sources. Certified by NIST for randomness. Provides unpredictability to the system, resistant to prediction attacks

HUK Derivation Mechanism

Hardware Unique Key (HUK) with physical isolation protection, unreadable and unclonable, used for secure derivation of application keys

Debug Password Protection

Strict control over debug interface access through authentication mechanisms. Supports authorized access and permanent closure, eliminating physical debug attacks. Meets security management requirements at different stages of the product lifecycle, effectively enhancing overall security

Security Certifications Support

We offer support for multiple security certifications. By providing these advanced security features and certification support, we aim to assist our customers in efficiently meeting various market entry requirements, ensuring the security and competitiveness of their products.

• PSA
• NIST STS
• NIST CAVP
• FIPS 140-3
• RED (EN 18031)

Most of our chips are capable of achieving PSA Certified Level 2 and Level 3, with some chips already having completed PSA Certified Level 2 certification.

Wireless Connectivity

Wi-Fi Features
Features	Support	Comment
Frequency	2.4GHz/5GHz
Wi-Fi 6
Bandwidth	20MHz
MaximumPHY rate	114.7Mbps	HE MCS9
Main Protocols	802.11 a/b/g/n/ac/ax
Sub-protocols	802.11 e/i/w/d/k/v/r
Other Key Protocols	WMM/WPA1~3/WPS/802.1X/EAP/P2P/NAN
UL/DL OFDMA & DL MU-MIMO
SU/MU Beamformee
TWT		Target Wake Time
UL LDPC		UL Low-Density Parity-Check Code
DL STBC		DL Space-Time Block Coding
Auto Antenna Diversity
CSI		Channel State Information
MCC		Multi-Channel Concurrency
BT Features
Features	Support	Comment
BR/EDR
BLE
Long-Range Mode		LE Coded PHY long-range mode (125kbps/500kbps)
AoA/AoD		AoA/AoD positioning
SIG Mesh		Certified for SIG Mesh v1.0/v1.1
Scatternet		Scatternet concurrent master/slave operation
Dedicated antenna for Bluetooth		Wi-Fi and Bluetooth each use their own RF and antenna, significantly improving coexistence performance

System Power Consumption

Mode	Wi-Fi	Power Consumption	Unit	Comment
Deep-Sleep	OFF	23.1	µA
Sleep	OFF	345	µA
Active	OFF	17.6	mA
WoWLAN	DTIM=3	691	µA	2.4G mode
WoWLAN	DTIM=10	470	µA	2.4G mode

NOTICE:

• Test conditions: 3.3V, 25°C
• WoWLAN: System average power consumption

Application Scenarios

• Smart speaker
• Industrial gateway
• Voice-controlled appliance
• Smart thermostat
• Smart panel

• Smart home
• Wearable devices
• Centralized control system
• Ethernet to Wi-Fi dongle

Development Resources

Software Resources

	Linux SDK Download	Link
	Linux SDK Guide	Link
	FreeRTOS SDK Download	Link
	FreeRTOS SDK Guide	Link
	Development Tools	Link
	VS Code Extension	Link

Hardware Resources

	Datasheet	Link
	Pinmux Table	Link
	Pinmux Auto-Layout	Link
	Schematic & PCB Design	Link

Highlights

In addition to integrating the essential peripheral interfaces, secure boot, hardware encryption engine AES/SHA, authenticated debug access, Wi-Fi 4 2.4GHz, BLE, and other important functions for IoT development, this IC also supports the following features:

Dual-core Architecture

Integrates two Armv8.1-M processors, both up to 334MHz, with 512KB of integrated SRAM, and supports DQ8/DQ16 DDR PSRAM

System Security

Supports Arm TrustZone®-M, integrates TRNG/ECC/RSA, and is PSA Level 2 certified

Wi-Fi Features

Supports Wi-Fi 6 dual-band, R-MESH, network card mode

Bluetooth Features

Supports BLE 5.0, BLE Mesh 1.1, and BLE Long Range

Display Interface

Integrates LCDC display interface, pixel processing engine, and MJPEG decoder

More

Ultra-low power, integrates Ethernet interface, USB 2, SDIO host, SDIO device, SD card/eMMC, DMIC/I2S

Part Number Comparison

Part number	RTL8721FAF-VT2-CG	RTL8721FAF-VA3-CG	RTL8721FAM-VT2-CG	RTL8721FCM-VA2-CG	RTL8721FCM-VA3-CG	RTL8721FCM-VA4-CG	RTL8721FLM-VA4-CG
Real-M300 (KM4TZ)	320MHz	320MHz	320MHz	320MHz	320MHz	320MHz	320MHz
Real-M300 (KM4NS)	320MHz	320MHz	320MHz	320MHz	320MHz	320MHz	320MHz
On-chip SRAM	512KB	512KB	512KB	512KB	512KB	512KB	512KB
TrustZone	Y	Y	Y	Y	Y	Y	Y
NOR Flash	4MB	8MB	X	X	X	X	X
PSRAM	X	X	4MB	4MB	8MB	16MB	16MB
Wi-Fi	Wi-Fi 6 (2.4GHz + 5GHz)	Wi-Fi 6 (2.4GHz + 5GHz)	Wi-Fi 6 (2.4GHz + 5GHz)	Wi-Fi 6 (2.4GHz + 5GHz)	Wi-Fi 6 (2.4GHz + 5GHz)	Wi-Fi 6 (2.4GHz + 5GHz)	Wi-Fi 6 (2.4GHz + 5GHz)
Bluetooth	LE	LE	LE	LE	LE	LE	LE
Operating voltage	2.97V ~ 3.63V	2.97V ~ 3.63V	2.97V ~ 3.63V	2.97V ~ 3.63V	2.97V ~ 3.63V	2.97V ~ 3.63V	2.97V ~ 3.63V
Operating temperature	-40°C ~ 105°C	-20°C ~ 85°C	-40°C ~ 105°C	-20°C ~ 85°C	-20°C ~ 85°C	-20°C ~ 85°C	-20°C ~ 85°C
Package (mm)	QFN48 (6 x 6)	QFN48 (6 x 6)	QFN48 (6 x 6)	QFN68 (8 x 8)	QFN68 (8 x 8)	QFN68 (8 x 8)	QFN100 (10 x 10)

System Architecture

Real-M300 (KM4TZ)

• Armv8.1-M Architecture
• Arm Cortex®-M55 ISA compatible
• Up to 334MHz, 3-stage pipeline
• 16KB instruction cache
• 16KB data cache
• Arm TrustZone®-M hardware-level isolation

Real-M300 (KM4NS)

• Armv8.1-M Architecture
• Arm Cortex®-M55 ISA compatible
• Up to 334MHz, 3-stage pipeline
• 16KB instruction cache
• 16KB data cache

Memory System

• 512KB SRAM
• QSPI NOR Flash: Up to 104MHz
• DQ8/DQ16 DDR PSRAM: Up to 200MHz
• Bus Architecture: Multi-layer AXI bus for parallel access

Peripheral Interfaces

Function	Quantity	Notes
GPIO	68	pcs
SPI	2	pcs
UART	5	pcs
I2C	2	pcs
I2C-like	1	pcs
IR (Infrared Transceiver)	1	pcs
RTC	1	pcs
General Timer	4	pcs
PWM	16	channels
Capture Timer	1	pcs
PMC Timer	2	groups
12-bit ADC	12	channels
Touch Key	9	keys
GDMA	8	channels
Independent Watchdog	1	pcs
Secure Watchdog	1	pcs
General Watchdog	2	pcs
USB 2.0	1	pcs
SDIO Device	1	pcs
SD Host Controller	1	Support SD card/eMMC/SDIO device
Pixel Processing Engine	1	For fast image data processing
LCDC	1	pcs
MJPEG	1	pcs
A2C	2	pcs, Compatible with ISO11898-1
Ethernet MAC	1	pcs
Audio Codec	1	Includes 2-channel digital microphone (DMIC)
I2S	1	Up to 192kHz sampling, up to 8-channel Tx/Rx
On-chip Temperature Sensor	1	pcs

Security Features

We consistently prioritize security as the core of our products, offering our customers a rich array of security features through hardware design and providing exceptional hardware-based attack resistance, helping to create IoT products with ultimate security.

Features	Support	Comment
Symmetric Encryption Engine
Asymmetric Encryption Engine		ECDSA/EdDSA/RSA
Secure Boot
Flash OTF Decryption
Arm TrustZone®-M
OTP Secure Storage
Debug Password Protection
HUK Derivation Mechanism
True Random Number Generator (TRNG)

Secure Boot

Based on asymmetric encryption and digital signature mechanisms, it verifies public key hashes and firmware signatures. This process can prevent tampering and rollback attacks, ensuring that the device only runs trusted firmware

Flash OTF Decryption

Supports both embedded and external Flash, with independent key encryption for multiple firmware. When the CPU executes encrypted firmware, it is decrypted in real-time by hardware, with nearly imperceptible performance impact. Supports unique encryption for each device, preventing injection and cloning attacks

Arm TrustZone®-M

Based on the Arm TrustZone® architecture, coupled with a dedicated hardware access control unit, it achieves strong isolation protection for secure memory areas and secure peripherals. Meanwhile, secure firmware is decrypted by the security encryption engine and loaded into the secure RAM area, ensuring protection against leakage and tampering throughout the entire process

Asymmetric Encryption Engine

In addition to the essential symmetric encryption engines like AES for IoT, we also provide computationally more intensive asymmetric encryption algorithms such as ECDSA, EdDSA, and RSA. This greatly alleviates the computational burden on the CPU and improves encryption and decryption speeds

OTP Secure Storage

Physical-level anti-extraction, key area locked for access only by the security engine, tamper-resistant and read-proof. Supports independent secure zones and CRC verification

True Random Number Generator (TRNG)

Generates high-security random numbers based on physical entropy sources. Certified by NIST for randomness. Provides unpredictability to the system, resistant to prediction attacks

HUK Derivation Mechanism

Hardware Unique Key (HUK) with physical isolation protection, unreadable and unclonable, used for secure derivation of application keys

Debug Password Protection

Strict control over debug interface access through authentication mechanisms. Supports authorized access and permanent closure, eliminating physical debug attacks. Meets security management requirements at different stages of the product lifecycle, effectively enhancing overall security

Security Certifications Support

We offer support for multiple security certifications. By providing these advanced security features and certification support, we aim to assist our customers in efficiently meeting various market entry requirements, ensuring the security and competitiveness of their products.

• PSA
• NIST STS
• NIST CAVP
• FIPS 140-3
• RED (EN 18031)

Most of our chips are capable of achieving PSA Certified Level 2 and Level 3, with some chips already having completed PSA Certified Level 2 certification.

Wireless Connectivity

Wi-Fi Features
Features	Support	Comment
Frequency	2.4GHz/5GHz
Wi-Fi 6
Bandwidth	20MHz
MaximumPHY rate	114.7Mbps	HE MCS9
Main Protocols	802.11 a/b/g/n/ac/ax
Sub-protocols	802.11 e/i/w/d/k/v/r
Other Key Protocols	WMM/WPA1~3/WPS/802.1X/EAP/P2P/NAN
UL/DL OFDMA & DL MU-MIMO
SU/MU Beamformee
TWT		Target Wake Time
UL LDPC		UL Low-Density Parity-Check Code
DL STBC		DL Space-Time Block Coding
Auto Antenna Diversity
CSI		Channel State Information
MCC		Multi-Channel Concurrency
R-MESH		Realtek MESH
Wi-Fi Card Mode
BT Features
Features	Support	Comment
BLE
Long-Range Mode		LE Coded PHY long-range mode (125kbps/500kbps)

System Power Consumption

Mode	Wi-Fi	Power Consumption	Unit	Comment
Deep-Sleep	OFF	11.3	µA
Sleep	OFF	48.2	µA
Active	OFF	13.1	mA
WoWLAN	DTIM=3	185	µA	2.4G mode
WoWLAN	DTIM=10	100	µA	2.4G mode

NOTICE:

• Test conditions: 3.3V, 25°C
• WoWLAN: System average power consumption

Application Scenarios

• Smart home
  • Lighting (dimming) control, switch and plugs
  • Home and kitchen appliances
• Industrial 4.0
• Low-power IoT devices
  • Smart door lock
  • Low-power Wi-Fi camera

• HMI smart display
• Health-care devices
• Wearables
• Portable devices
• Gaming accessories
• Wireless audio
• New energy field
• Ethernet to Wi-Fi dongle

Development Resources

Software Resources

	FreeRTOS SDK Download	Link
	FreeRTOS SDK Guide	Link
	Development Tools	Link
	VS Code Extension	Link

Hardware Resources

	Datasheet	Link
	Pinmux Table	Link
	Pinmux Auto-Layout	Link
	Schematic & PCB Design	Link

Highlights

In addition to essential features for IoT development like peripheral interfaces, secure boot, AES/SHA hardware crypto engine, and authenticated debug access, as well as Wi-Fi 4 2.4G and BLE, this IC also supports the following functions:

Dual-Core Architecture

Integrates two Armv8-M processors, running up to 200MHz and 20MHz respectively. Supports FPU/DSP extension instructions, integrates 512KB SRAM, and supports DQ8 DDR PSRAM.

System Security

Supports Arm TrustZone®-M

Wireless Features

Supports Wi-Fi 4 dual-band, BLE 5.0, and BLE Mesh 1.1

Audio Codec

Integrates DMIC, I2S, ADC, and a dual-channel DAC. Supports headphone amplifier or line-out.

More

Ultra-low power consumption, integrates LCDC, USB 2.0, SD card/eMMC, and Key-scan.

Part Number Comparison

Part number	RTL8720DN-VA1-CG	RTL8720DN-VT1-CG	RTL8720DM-VA1-CG	RTL8720DF-VA1-CG	RTL8720DF-VT1-CG	RTL8721DM-VA1-CG	RTL8722DM-VA1-CG	RTL8722DM-VP1-CG
Real-M300	200MHz	200MHz	200MHz	200MHz	200MHz	200MHz	200MHz	200MHz
Real-M200	200MHz	200MHz	200MHz	200MHz	200MHz	200MHz	200MHz	200MHz
On-chip SRAM	512KB	512KB	512KB	512KB	512KB	512KB	512KB	512KB
TrustZone	Y	Y	Y	Y	Y	Y	Y	Y
NOR Flash	X	X	X	4MB	4MB	X	X	X
PSRAM	X	X	4MB	X	X	4MB	4MB	4MB
Wi-Fi	Wi-Fi 4 (2.4GHz + 5GHz)	Wi-Fi 4 (2.4GHz + 5GHz)	Wi-Fi 4 (2.4GHz + 5GHz)	Wi-Fi 4 (2.4GHz + 5GHz)	Wi-Fi 4 (2.4GHz + 5GHz)	Wi-Fi 4 (2.4GHz + 5GHz)	Wi-Fi 4 (2.4GHz + 5GHz)	Wi-Fi 4 (2.4GHz + 5GHz)
Bluetooth	LE	LE	LE	LE	LE	LE	LE	LE
Operating voltage	2.97V ~ 3.63V	2.97V ~ 3.63V	2.97V ~ 3.63V	2.97V ~ 3.63V	2.97V ~ 3.63V	2.97V ~ 3.63V	2.97V ~ 3.63V	2.97V ~ 3.63V
Operating temperature	-20°C ~ 85°C	-40°C ~ 105°C	-20°C ~ 85°C	-20°C ~ 85°C	-40°C ~ 105°C	-20°C ~ 85°C	-20°C ~ 85°C	-20°C ~ 85°C
Package (mm)	QFN48 (6 x 6)	QFN48 (6 x 6)	QFN48 (6 x 6)	QFN48 (6 x 6)	QFN48 (6 x 6)	QFN68 (8 x 8)	QFN88 (10 x 10)	QFN88 (10 x 10)

System Architecture

Real-M300

• Armv8-M Architecture
• Arm Cortex®-M33 ISA compatible
• Integrated FPU/DSP instruction extensions
• Up to 200MHz
• 32KB instruction cache
• 4KB data cache

Real-M200

• Armv8-M Architecture
• Arm Cortex®-M23 ISA compatible
• Up to 20MHz
• 16KB instruction cache
• 4KB data cache

Memory System

• Real-300: 512KB SRAM
• Real-300: 4MB PSRAM, 8-bit DDR
• Real-200: 64KB SRAM
• Real-200: 1KB retention SRAM, retains data in power-saving mode

Peripheral Interfaces

Function	Quantity	Notes
GPIO	58	pcs
SPI	2	pcs
UART	4	pcs
I2C	1	pcs
USI	1	pcs
Key-Scan	36	keys
Quad-Decoder	1	pcs
IR (Infrared Transceiver)	1	pcs
SDIO Device	1	pcs
SD Host Controller	1	Supports SD Card/eMMC/SDIO Device
USB 2.0	1	pcs
RTC	1	pcs
PWM	18	channels
Touch Key	5	keys
GDMA	6	channels
12-bit ADC	7	channels
Battery Measurement Dedicated ADC	1	channel
LCDC	1	Supports RGB interface and I8080 interface
AES/SHA Encryption Engine	1	Supports AES256/192/128 and SHA256
Normal Watchdog	1	pcs
Audio ADC	2	channels
Digital Microphone	2	channels
I2S	1	Up to 192kHz sampling rate, up to 6-channel data transfer
Audio DAC	2	Stereo, supports linear output or headphone amplifier

Security Features

We consistently prioritize security as the core of our products, offering our customers a rich array of security features through hardware design and providing exceptional hardware-based attack resistance, helping to create IoT products with ultimate security.

Features	Support	Comment
Symmetric Encryption Engine
Asymmetric Encryption Engine
Secure Boot
Flash OTF Decryption
Arm TrustZone®-M
OTP Secure Storage		EFUSE Secure Storage
Debug Password Protection
HUK Derivation Mechanism
True Random Number Generator (TRNG)

Secure Boot

Based on asymmetric encryption and digital signature mechanisms, it verifies public key hashes and firmware signatures. This process can prevent tampering and rollback attacks, ensuring that the device only runs trusted firmware

Flash OTF Decryption

Supports both embedded and external Flash, with independent key encryption for multiple firmware. When the CPU executes encrypted firmware, it is decrypted in real-time by hardware, with nearly imperceptible performance impact. Supports unique encryption for each device, preventing injection and cloning attacks

Arm TrustZone®-M

Based on the Arm TrustZone® architecture, coupled with a dedicated hardware access control unit, it achieves strong isolation protection for secure memory areas and secure peripherals. Meanwhile, secure firmware is decrypted by the security encryption engine and loaded into the secure RAM area, ensuring protection against leakage and tampering throughout the entire process

EFUSE Secure Storage

After locking the key area, access is limited to the security engine, preventing tampering and unauthorized reading

Debug Password Protection

Strict control over debug interface access through authentication mechanisms. Supports authorized access and permanent closure, eliminating physical debug attacks. Meets security management requirements at different stages of the product lifecycle, effectively enhancing overall security

Wireless Connectivity

Wi-Fi Features
Features	Support	Comment
Frequency	2.4GHz/5GHz
Wi-Fi 6
Bandwidth	40MHz
MaximumPHY rate	150Mbps	HT MCS7
Main Protocols	802.11 a/b/g/n
Sub-protocols	802.11 e/i/w/d/k/v/r
Other Key Protocols	WMM/WPA1~3/WPS/802.1X/EAP
UL LDPC		UL Low-Density Parity-Check Code
DL STBC		DL Space-Time Block Coding
Auto Antenna Diversity
BT Features
Features	Support	Comment
BLE
Central Mode
Peripheral Mode
High-Power Mode		8dBm

System Power Consumption

Mode	Wi-Fi	Power Consumption	Unit	Comment
Deep-Sleep	OFF	10	µA
Sleep	OFF	75	µA
Active	OFF	20	mA
WoWLAN	DTIM=3		µA
WoWLAN	DTIM=10		µA

NOTICE:

• Test conditions: 3.3V, 25°C
• WoWLAN: System average power consumption

Application Scenarios

• Home appliance control panel
• Smart door lock
• Smart toy
• Smart voice
• Smart remote controller

• Wi-Fi headset
• Wi-Fi gamepad
• BLE gateway
• Smart POS

Development Resources

Software Resources

	FreeRTOS SDK Download	Link
	FreeRTOS SDK Guide	Link
	Development Tools	Link

Hardware Resources

	Datasheet	Link
	Pinmux Table	Link

EVB Purchase

	PKE8720DF-A00 (Taobao)	Link
	PKE8720DF-C13 (Taobao)	Link

Highlights

Realtek RTL8735B series is a new generation of highly integrated Wi-Fi/Bluetooth/Image ISP eight-in-one single-chip solution, featuring a 10mm x 10mm QFN package. Its ultra-low power consumption design significantly extends the system's battery life. The single chip also provides rich I/O interfaces and has successfully assisted customers in designing compact IoT doorbells, portable AI cameras, home appliances with AIoT camera video requirements, applications for edge AI audio-visual recognition, and IoT devices that can be powered by batteries.

NPU Engine

Integrates an NPU engine with up to 0.4TOPS computing power, and also integrates an Armv8-M processor, up to 500MHz.

ISP/Video

Supports 2K/FHD high-definition video, 1080p@30fps + 720p@30fps, 2K@24fps, and supports millisecond-level fast boot-up to ensure no footage is missed.

System Security

Supports Arm TrustZone®-M, integrates TRNG/ECDSA/EdDSA/RSA.

Wireless Features

Supports Wi-Fi 4 dual-band, BLE 5.1.

More

Integrates Audio codec, H.264/H.265 video encoding, supports AI model conversion: yolov3/4/7-tiny and CNN Gray/RGB.

Part Number Comparison

Part number	RTL8735BDM-VA4-CG	RTL8735BM-VA4-CG	RTL8735BDM-VA9-CG
Real-M500	500MHz	500MHz	500MHz
NPU	0.4TOPS@INT8/INT16	0.4TOPS@INT8/INT16	0.4TOPS@INT8/INT16
ISP/Video Processor	Up to 2K/FHD	Up to 2K/FHD	Up to 2K/FHD
On-chip SRAM	512KB	512KB	512KB
TrustZone	Y	Y	Y
DDR	128MB (DDR2)	128MB (DDR2)	256MB (DDR3)
Wi-Fi	Wi-Fi 4 (2.4GHz + 5GHz)	Wi-Fi 4 (2.4GHz)	Wi-Fi 4 (2.4GHz + 5GHz)
Bluetooth	LE	LE	LE
Operating voltage	3.135V ~ 3.465V	3.135V ~ 3.465V	3.135V ~ 3.465V
Operating temperature	-20°C ~ 85°C	-20°C ~ 85°C	-20°C ~ 85°C
Package (mm)	QFN128 (10 x 10)	QFN128 (10 x 10)	QFN128 (10 x 10)

System Architecture

Real-M500 CPU

• Armv8M architecture
• Up to 500MHz
• 32KB I-Cache
• 32KB D-Cache

CNN AI Engine

• 0.4TOPS@INT8/INT16 (NPU) computing power

Memory System

• Embedded 64MB/128MB/256MB DDR2/DDR3 memory: 533MHz
• Internal 768KB ROM: 250MHz
• Internal 512KB SRAM: 250MHz
• Supports SPI NOR Flash or NAND Flash

Video/ISP Features

• Multi-stream real-time H.265/H.264/JPEG encoding
• Supports 5-megapixel (2592x1944) sensor
• 1080p@45fps; 2K@24fps
• Supports 12bit Bayer pattern input and 8bit YUY2 input from CMOS sensor
• Supports MIPI CSI-2 four data lane
• CBR/VBR/CVBR/FIXQP/AVBR rate control, ROI/GDR, rotation/cropping
• Supports Auto Banding, Auto Exposure, Auto White Balance
• Advanced temporal and spatial noise reduction(3DNR)

• Lens shading compensation/ Black level compensation and dead pixel cancellation/ horizontal lens distortion correction/ High dynamic range fusion and tone mapping for HDR sensor input
• Programmable gamma table
• Digital WDR
• Image enhancement(brightness, contrast, saturation, hue and sharpness)
• ISP tool for easy image quality tuning

Peripheral Interfaces

Function	Quantity	Notes
GPIO	59	pcs
SPI	2	pcs
UART	4	pcs
I2C	2	pcs
PWM	12	channels
ADC	8	channels
GDMA	12	channels
USB 2.0	1	pcs
SD Host Controller	1	Supports SD card/eMMC/SDIO devices
Audio DAC	1	channel
Audio ADC	1	channel
Digital Microphone	2	channels

Security Features

We consistently prioritize security as the core of our products, offering our customers a rich array of security features through hardware design and providing exceptional hardware-based attack resistance, helping to create IoT products with ultimate security.

Features	Support	Comment
Symmetric Encryption Engine
Asymmetric Encryption Engine		ECDSA/EdDSA/RSA
Secure Boot
Flash OTF Decryption
Arm TrustZone®-M
OTP Secure Storage
Debug Password Protection
HUK Derivation Mechanism
True Random Number Generator (TRNG)

Secure Boot

Based on asymmetric encryption and digital signature mechanisms, it verifies public key hashes and firmware signatures. This process can prevent tampering and rollback attacks, ensuring that the device only runs trusted firmware

Flash OTF Decryption

Supports both embedded and external Flash, with independent key encryption for multiple firmware. When the CPU executes encrypted firmware, it is decrypted in real-time by hardware, with nearly imperceptible performance impact. Supports unique encryption for each device, preventing injection and cloning attacks

Arm TrustZone®-M

Based on the Arm TrustZone® architecture, coupled with a dedicated hardware access control unit, it achieves strong isolation protection for secure memory areas and secure peripherals. Meanwhile, secure firmware is decrypted by the security encryption engine and loaded into the secure RAM area, ensuring protection against leakage and tampering throughout the entire process

Asymmetric Encryption Engine

In addition to the essential symmetric encryption engines like AES for IoT, we also provide computationally more intensive asymmetric encryption algorithms such as ECDSA, EdDSA, and RSA. This greatly alleviates the computational burden on the CPU and improves encryption and decryption speeds

OTP Secure Storage

Physical-level anti-extraction, key area locked for access only by the security engine, tamper-resistant and read-proof. Supports independent secure zones and CRC verification

True Random Number Generator (TRNG)

Generates high-security random numbers based on physical entropy sources. Certified by NIST for randomness. Provides unpredictability to the system, resistant to prediction attacks

HUK Derivation Mechanism

Hardware Unique Key (HUK) with physical isolation protection, unreadable and unclonable, used for secure derivation of application keys

Debug Password Protection

Strict control over debug interface access through authentication mechanisms. Supports authorized access and permanent closure, eliminating physical debug attacks. Meets security management requirements at different stages of the product lifecycle, effectively enhancing overall security

Wireless Connectivity

Wi-Fi Features
Features	Support	Comment
Frequency	2.4GHz/5GHz
Wi-Fi 6
Bandwidth	20MHz
MaximumPHY rate	72Mbps	HT MCS7
Main Protocols	802.11 a/b/g/n
Sub-protocols	802.11 e/i/w/d/k/v/r
Other Key Protocols	WMM/WPA1~3/WPS/802.1X/EAP
UL LDPC		UL Low-Density Parity-Check Code
DL STBC		DL Space-Time Block Coding
Auto Antenna Diversity
BT Features
Features	Support	Comment
BLE
Central Mode
Peripheral Mode

Application Scenarios

• IoT doorbell
• Portable AI camera
• Home appliances with AIoT camera

• Edge AI audio-visual recognition demands
• Battery-powered IoT devices

Development Resources

Software Resources

	FreeRTOS SDK Guide	Link
	Arduino SDK Guide	Link
	Arduino SDK Download	Link

Hardware Resources

Datasheet

Link