# Realtek Ameba IoT Documentation

> Official developer documentation for Realtek Ameba microcontrollers (MCU/SoC) for Wi-Fi, Bluetooth, and AIoT applications. Covers SDK guides, peripheral drivers, wireless connectivity, security, edge AI, multimedia, and development tools across FreeRTOS, Linux, Zephyr, Arduino, and Matter. Published at https://aiot.realmcu.com.

Ameba is Realtek's family of low-power connected SoCs (e.g. RTL8721Dx, RTL8720E, RTL8710E, RTL8726E, RTL8713E, RTL8730E, RTL8721F, RTL872xD, RTL8735B) used in IoT devices, smart home, audio, and AI vision products. This site hosts the canonical English documentation; replace `/en/` with `/zh/` in any URL for Simplified Chinese.

## Start Here

- [Home](https://aiot.realmcu.com/en/home.html): Product and documentation portal for Ameba IoT.
- [Documentation Hub](https://aiot.realmcu.com/en/latest/index.html): Entry point linking every SDK and framework guide.
- [SoCs / Products Overview](https://aiot.realmcu.com/en/product/index.html): Specifications and selection guide for all Ameba chips.
- [Case Center](https://aiot.realmcu.com/zh/center/cases/): Entry point of application showcases.
- [Video Center](https://aiot.realmcu.com/zh/center/videos/): Entry point of training videos.
- [News Center](https://aiot.realmcu.com/zh/center/news/): Entry point of Ameba IoT news.
- [Hardware Center](https://aiot.realmcu.com/zh/center/hardware/): Entry point of Ameba IoT hardware resources, i.e. modules and EVBs.
- [Download Center](https://aiot.realmcu.com/zh/center/files/): Entry point of Ameba IoT file resources, e.g. datasheets, EVB user guides, schematics, footprints, pinmux tables.

## SDK & Frameworks

- [FreeRTOS SDK](https://aiot.realmcu.com/en/latest/rtos/index.html): Primary RTOS SDK — Wi-Fi, Bluetooth, peripherals, security, AI, and more.
- [Linux SDK](https://aiot.realmcu.com/en/latest/linux/index.html): Linux-based development for applicable Ameba SoCs.
- [DSP SDK](https://aiot.realmcu.com/en/latest/dsp/index.html): Digital signal processing development guide.
- [Zephyr SDK](https://aiot.realmcu.com/en/latest/zephyr/index.html): Zephyr RTOS support for Ameba.
- [Arduino](https://aiot.realmcu.com/en/latest/arduino/index.html): Arduino core and libraries for Ameba boards.
- [Matter](https://aiot.realmcu.com/en/latest/matter/index.html): Matter / connected-home protocol support.
- [User Manual](https://aiot.realmcu.com/en/latest/user_manual/index.html): Board and hardware user manuals.
- [Tools](https://aiot.realmcu.com/en/latest/tools/index.html): User manuals for development tools.

## Core Topics (FreeRTOS SDK)

- [Quick Start](https://aiot.realmcu.com/en/latest/rtos/sdk/index.html): Toolchain setup, build flow, flash layout, and debugging.
- [Wi-Fi](https://aiot.realmcu.com/en/latest/rtos/wifi/index.html): Wi-Fi connectivity, STA/AP modes, and networking APIs.
- [Bluetooth](https://aiot.realmcu.com/en/latest/rtos/bt/index.html): BLE and Bluetooth stack, profiles, and examples.
- [Peripherals](https://aiot.realmcu.com/en/latest/rtos/peripherals/index.html): GPIO, UART, SPI, I2C, ADC, PWM, and other on-chip peripheral drivers.
- [Edge AI](https://aiot.realmcu.com/en/latest/rtos/ai/index.html): On-device AI, AIVoice, and neural-network inference.
- [Multimedia](https://aiot.realmcu.com/en/latest/rtos/multimedia/index.html): Audio, video, and media framework guides.
- [USB](https://aiot.realmcu.com/en/latest/rtos/usb/index.html): USB host, device, and DRD solutions.
- [Security](https://aiot.realmcu.com/en/latest/rtos/secure/index.html): Secure boot, crypto, key management, and lifecycle.
- [Power Save](https://aiot.realmcu.com/en/latest/rtos/ps/index.html): Low-power and sleep modes.
- [OTA](https://aiot.realmcu.com/en/latest/rtos/ota/index.html): Over-the-air firmware update.
- [AT Commands](https://aiot.realmcu.com/en/latest/rtos/atcmd/index.html): AT command set reference.
- [Tools](https://aiot.realmcu.com/en/latest/tools/index.html): User manuals for FreeRTOS SDK development tools.

## Core Topics (Linux SDK)

- [Quick Start](https://aiot.realmcu.com/en/latest/linux/sdk/index.html): Setup, build flow, and usage of the Linux SDK.
- [Wi-Fi](https://aiot.realmcu.com/en/latest/linux/wifi/index.html): Wi-Fi connectivity and networking under Linux.
- [Bluetooth](https://aiot.realmcu.com/en/latest/linux/bt/index.html): Bluetooth stack and profiles under Linux.
- [Peripherals](https://aiot.realmcu.com/en/latest/linux/peripherals/index.html): On-chip peripheral drivers under Linux.
- [Artificial Intelligence (AI)](https://aiot.realmcu.com/en/latest/linux/ai/index.html): On-device AI and inference under Linux.
- [Multimedia](https://aiot.realmcu.com/en/latest/linux/multimedia/index.html): Audio, video, and media framework under Linux.
- [USB](https://aiot.realmcu.com/en/latest/linux/usb/index.html): USB host and device support under Linux.
- [Security](https://aiot.realmcu.com/en/latest/linux/secure/index.html): Secure boot, crypto, and key management under Linux.
- [Power Save](https://aiot.realmcu.com/en/latest/linux/ps/index.html): Low-power and sleep modes under Linux.
- [OTA](https://aiot.realmcu.com/en/latest/linux/ota/index.html): Over-the-air firmware update under Linux.
- [Manufacturing (MP)](https://aiot.realmcu.com/en/latest/linux/mp/index.html): Mass-production and manufacturing tools.
- [Tools](https://aiot.realmcu.com/en/latest/tools/linux/index.html): User manuals for Linux SDK development tools.

## Core Topics (DSP SDK)

- [DSP SDK Architecture](https://aiot.realmcu.com/en/latest/dsp/dsp_sdk_introduction/index.html): Overview of the DSP SDK architecture.
- [DSP SDK Download](https://aiot.realmcu.com/en/latest/dsp/dsp_sdk_download/index.html): Obtaining the DSP SDK.
- [Development Environment Setup](https://aiot.realmcu.com/en/latest/dsp/dsp_environment/index.html): Toolchain and environment setup.
- [Project Configuration](https://aiot.realmcu.com/en/latest/dsp/dsp_config/index.html): Configuring a DSP project.
- [Build and Flashing](https://aiot.realmcu.com/en/latest/dsp/dsp_build/index.html): Building and flashing DSP firmware.
- [Debugging](https://aiot.realmcu.com/en/latest/dsp/dsp_debug/index.html): DSP debugging workflow.
- [Memory](https://aiot.realmcu.com/en/latest/dsp/dsp_memory/index.html): DSP memory layout and usage.
- [ABI Calling Convention](https://aiot.realmcu.com/en/latest/dsp/dsp_abi/index.html): DSP ABI and calling conventions.
- [DSP Libraries](https://aiot.realmcu.com/en/latest/dsp/dsp_library/index.html): Available DSP libraries.
- [ISS Simulation](https://aiot.realmcu.com/en/latest/dsp/dsp_iss_simulation/index.html): Instruction-set simulator usage.
- [Important Notes](https://aiot.realmcu.com/en/latest/dsp/dsp_precaution/index.html): DSP precautions and caveats.
- [Tools](https://aiot.realmcu.com/en/latest/tools/dsp/index.html): User manuals for DSP SDK development tools.

## Core Topics (Zephyr SDK)

- [Quick Start](https://aiot.realmcu.com/en/latest/zephyr/sdk/index.html): Setup and usage of the Zephyr SDK.
- [Wi-Fi](https://aiot.realmcu.com/en/latest/zephyr/wifi/index.html): Wi-Fi connectivity under Zephyr.
- [USB](https://aiot.realmcu.com/en/latest/zephyr/usb/index.html): USB host and device support under Zephyr.
- [Power Save](https://aiot.realmcu.com/en/latest/zephyr/ps/index.html): Low-power and sleep modes under Zephyr.
- [OTA](https://aiot.realmcu.com/en/latest/zephyr/ota/index.html): Over-the-air firmware update under Zephyr.
- [TF-M (Trusted Firmware-M)](https://aiot.realmcu.com/en/latest/zephyr/tfm/index.html): Trusted Firmware-M security on Zephyr.
- [Tools](https://aiot.realmcu.com/en/latest/tools/zephyr/index.html): User manuals for Zephyr SDK development tools.

## Core Topics (Third Party)

- [AWS IoT (FreeRTOS)](https://aiot.realmcu.com/en/latest/third_party/aws_iot/index.html): AWS IoT integration on FreeRTOS.
- [AWS ACS](https://aiot.realmcu.com/en/latest/third_party/acs/index.html): AWS ACS integration guide.
- [AWS Sidewalk](https://aiot.realmcu.com/en/latest/third_party/sidewalk/index.html): AWS Sidewalk connectivity.
- [WebRTC](https://aiot.realmcu.com/en/latest/third_party/webrtc/index.html): Real-time audio/video communication via WebRTC.

## Resources

- [Design Resources](https://aiot.realmcu.com/en/resource/index.html): Entry point of software, hardware, tool and support resources.
- [Software Resources](https://aiot.realmcu.com/en/resource/software.html): SDKs and development guides.
- [Hardware Resources](https://aiot.realmcu.com/en/resource/hardware.html): Schematics, datasheets, EVB user guides, pinmux tables, and hardware development tools.
- [Development Tools](https://aiot.realmcu.com/en/resource/tools.html): Development toolset, including VS Code extensions, online tools, desktop tools, and mobile apps.

## Optional

- [Sitemap](https://aiot.realmcu.com/sitemap.xml): Full list of indexable pages.
- Chinese documentation: any page above is available in Simplified Chinese by replacing `/en/` with `/zh/`.