AMB25 Arduino

AMB25 EVB

AMB25 (Ameba RTL8720DF)

MCU Part Number: RTL8720DF 32-bit KM4 (Arm Cortex-M33 compatible) 32-bit KM0 (Arm Cortex-M23 compatible) Memory 512KB SRAM 4MB Flash Key Features Integrated WiFi 4 (802.11 b/g/n 1x1) SoC Dual-band, 2.4GHz or 5GHz Bluetooth LE 5.0 Bluetooth high-power mode up to 10dB Low Power Mode Auto Download Mode On-board PCB antenna Other Features 3 UART interfaces 1 I2C Interface 2 SPI interfaces 12 PWM interfaces 3 ADC interfaces 1 IR interfaces Max 19 GPIO TypeC USB port 1 SDIO interface (require adaptor) Audio Codec(require external MIC & Speaker) USB2.0 Host Interface (require adaptor)

Worldwide Amazon (EVB) Amazon (WiFi module) Amazon (WiFi module with antenna) Regional Mainland China Taobao

Pinmap / Layout

Please refer to the following figure and table for the pinmap/layout diagram and functions.

	GPIO Pin	GPIO INT	ADC	PWM	UART	SPI	I2C	IR	SWD
0	PA15	✓				SPI1_SS
1	PA14	✓				SPI1_SCLK
2	PA13	✓		✓	SERIAL2_RX	SPI1_MISO
3	PA12	✓		✓	SERIAL2_TX	SPI1_MOSI
4	PA30	✓		✓
5	PA28	✓		✓
6	PA26	✓		✓			I2C_SDA	IR_RX (a)
7	PA25	✓		✓			I2C_SCL	IR_TX (a)
8	PA27	✓							SWD_DATA
9	PB3	✓	A6						SWD_CLK
10	PB2	✓	A5
11	PB1	✓	A4
12	PA7	✓			LOG_TX
13	PA8	✓			LOG_RX
14	PB23	✓		✓				IR_TX (b)
15	PB22	✓		✓				IR_RX (b)
16	PB19	✓		✓	SERIAL1_TX	SPI_MISO
17	PB18	✓		✓	SERIAL1_RX	SPI_MOSI
18	PB21	✓		✓		SPI_SS
19	PB20	✓		✓		SPI_SCLK

Example Guides

• Basic Examples

  • Arduino-build-in example AMB25

• BLE Examples

  • BLE Battery Client

  • BLE Battery Service

  • BLE Beacon

  • BLE Scan

  • BLE UART Client

  • BLE UART Service

  • DHT over BLE UART

  • Door Unlock Over BLE Uart

  • HID Gamepad

  • HID Keyboard

  • HID Mouse

  • PWM over BLE UART

  • V7RC Car

  • WiFi Config Service

• Flash Memory Examples

  • Read Write Stream

  • Read Write Word

• GPIO Examples

  • Interrupt Control LED

  • Measure Distance HCSR04 Ultrasonic

  • Measure Temperature and Humidity DHT Tester

API documents

• Arduino Program Language API

• Analog API

• AudioCodec API

• BLE API

• EPDIF API

• FatfsSDcard API

• FlashMemory API

• GPIO API

• Gtimer API

• Http API

• IRDevice API

• MDNS API

• MQTTClient API

• NTPClient API

• OTA API

• PowerSave API

• RTC API

• SoftwareSerial API

• SPI API

• SYS API

• USB API

• WDT API

• WiFi API

• Wire API

• WS2812B API

SDK Source Code

ameba-arduino-d