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
Security
Security
- TrustZone-M
- Secure boot
- Secure eFuse
- SWD debug port access protection
- Flash decryption on-the-fly
- Read protection
Low Power
- WoWLAN mode
- DTIM=1: 942uA @3.3V
- DTIM=10: 92uA @3.3V
- Deepsleep mode: 10uA @3.3V
RF Features
Wi-Fi
- 802.11 a/b/g/n 1x1, 2.4GHz & 5GHz
- Supports 20MHz/40MHz up to MCS7
- Low power Tx/Rx for short range application @1.8V
- Low power Rx mode
- Build-in PA, also supports external PA and LNA
- Supports antenna diversity
- Internal PTA interface for arbitrating data transmission between Wi-Fi and internal Bluetooth or external 2.4G devices
BT
- Supports BLE 5.0
- Supports both central and peripheral modes
- High power mode (8dBm)
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
Security
Security
- TrustZone-M
- Secure boot
- Secure eFuse
- SWD debug port access protection
- Flash decryption on-the-fly
- Read protection
Low Power
- WoWLAN mode
- DTIM=1: 942uA @3.3V
- DTIM=10: 92uA @3.3V
- Deepsleep mode: 10uA @3.3V
RF Features
Wi-Fi
- 802.11 a/b/g/n 1x1, 2.4GHz & 5GHz
- Supports 20MHz/40MHz up to MCS7
- Low power Tx/Rx for short range application @1.8V
- Low power Rx mode
- Build-in PA, also supports external PA and LNA
- Supports antenna diversity
- Internal PTA interface for arbitrating data transmission between Wi-Fi and internal Bluetooth or external 2.4G devices
BT
- Supports BLE 5.0
- Supports both central and peripheral modes
- High power mode (8dBm)
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
Resources
Documentation
SDK
Hardware
Tool
Application
Certification
EVBs and Tools
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