Introduction
The Realtek RTL872xD series is dual band Wi-Fi(2.4G+5G)and BLE5.0 Combo SoC chip. With ultra-low power consumption, complete encryption strategy and abundant peripheral resources, it is widely in various products such as Home appliance control panel, Smart door, Smart toy, Smart voice, Smart remote control, Bluetooth gateway, Headset, Wi-Fi gamepad, Smart POS, etc.
DESCRIPTION
CHIP
Highlights
WIFI 2.4G/5G + BLE 5.0 Dual Mode
- WIFI4 2.4G/5G
- BLE 5.0
- BLE Mesh 1.1
Rich Peripheral Interface
- SPI/UART/I2C
- Key-scan/ Quad-decoder
- IR/PWM/ADC
- SDIO/USB
- LCDC/Audio Codec
Diversified Tools Support
- AT Command
- VS-Code Plugin
- Zephyr
- Arduino IDE
Specifications
System and Platform
High performance MCU: Real-300
- Cortex-M33 instruction set compatible with FPU, DSP, TrustZone-M
- Frequency of up to 200MHz (configurable)
- Serial Wire Debug (SWD) with 8 break points and 4 watch points
- 32KB I-Cache and 4KB D-Cache
- On-chip memory
- Up to 512KB contiguous main SRAM
- Optional 4MB PSRAM, 8bit DDR
Low power MCU: Real-200
- Cortex-M23 instruction set compatible
- Frequency of up to 20MHz
- SWD with 4 break points and 2 watch points
- 16KB I-Cache，4KB D-Cache
- On-chip memory
- Up to 64KB contiguous main SRAM
- Up to 1KB retention SRAM for keeping data at power saving mode
Peripheral Interface
- Flexible design of GPIO configuration
- Multi-communication interfaces: SPIx2, UARTx4, I2Cx1, USIx1
- Hardware Key-scan interface supports up to 36 keys
- Hardware Quad-decoder supports statistical and comparison functions
- Hardware IR transceiver can easily adapt to various IR protocols /li>
- SDIO/USB high speed interface (both host and slave)
- Supports real-time clock together with 18 channels of PWM output
- Supports 5 channels of touch pad and 6 channels of GDMA
- Supports 7 channels of normal 12-bit ADC and 1 channel of VBAT
- Integrated LCDC supports both RGB and I8080 interfaces
- Integrated hardware crypto engine supports AES256/192/128 and SHA256
- Integrated audio codec
- Stereo audio input, 3 modes available
- Analog MIC
- Line-in
- Digital MIC
- Stereo audio output
- Stereo headphone amplifier
- I2S interface
- Can be connected to external Audio Codec
- Up to 384kHz sampling frequency
- PCM interface: can be connected to external Bluetooth controller
- Stereo audio input, 3 modes available
System and Platform
High performance MCU: Real-300
- Cortex-M33 instruction set compatible with FPU, DSP, TrustZone-M
- Frequency of up to 200MHz (configurable)
- Serial Wire Debug (SWD) with 8 break points and 4 watch points
- 32KB I-Cache and 4KB D-Cache
- On-chip memory
- Up to 512KB contiguous main SRAM
- Optional 4MB PSRAM, 8bit DDR
Low power MCU: Real-200
- Cortex-M23 instruction set compatible
- Frequency of up to 20MHz
- SWD with 4 break points and 2 watch points
- 16KB I-Cache，4KB D-Cache
- On-chip memory
- Up to 64KB contiguous main SRAM
- Up to 1KB retention SRAM for keeping data at power saving mode
Peripheral Interface
- Flexible design of GPIO configuration
- Multi-communication interfaces: SPIx2, UARTx4, I2Cx1, USIx1
- Hardware Key-scan interface supports up to 36 keys
- Hardware Quad-decoder supports statistical and comparison functions
- Hardware IR transceiver can easily adapt to various IR protocols /li>
- SDIO/USB high speed interface (both host and slave)
- Supports real-time clock together with 18 channels of PWM output
- Supports 5 channels of touch pad and 6 channels of GDMA
- Supports 7 channels of normal 12-bit ADC and 1 channel of VBAT
- Integrated LCDC supports both RGB and I8080 interfaces
- Integrated hardware crypto engine supports AES256/192/128 and SHA256
- Integrated audio codec
- Stereo audio input, 3 modes available
- Analog MIC
- Line-in
- Digital MIC
- Stereo audio output
- Stereo headphone amplifier
- I2S interface
- Can be connected to external Audio Codec
- Up to 384kHz sampling frequency
- PCM interface: can be connected to external Bluetooth controller
- Stereo audio input, 3 modes available
