CPU and Flexible IO

High performance 32 Bit RISC-V processor Core and HIFI 4 DSP; 

RISC-V contains floating point unit(FPU), supports floating point arithmetic;

RISC-V maximum speed 125MHz and HIFI 4 maximum speed 270MHz;

Program memory: internal 16Mbits SIP flash; 

On-chip RAM 892KB;

SPI PSRAM Controller; 

Flexible GPIO pins with Programmable pull-up and pull-down resistors;

Support GPIO wakeup or interrupt;

Bluetooth Radio

Compliant to Bluetooth 5.4 and BLE specification (QDID: 207169); 

Support LE audio BIS/CIS; 

TX output power +9dBm in typical;

RX Sensitivity with -94.5dBm @EDR; 

RX Sensitivity with -95.5dBm @ 1M BLE;

RX Sensitivity with -93dBm @ 2M BLE;

Audio Interface

Audio codec with 24bit mono DAC and 24bit mono ADC;

Support flexible audio EQ adjust; 

Support Sample rate 8, 11.025, 12, 16, 22.05, 32, 44.1, 48,96,192KHz; 

One channel MIC amplifier input; 

High performance mono audio ADC with 101dB SNR, support single end mode;

High performance mono audio DAC with 103dB SNR, support single end mode;


QFN52 6*6


Operating temperature: -40℃ to +85℃;
Storage temperature: -65℃ to +150℃;

  • CPU: RISC-V + DSP扩展 (125MHz)
  • 封装: QFN52
  • 蓝牙协议: BT 5.4 双模 (QDID: 207169)
  • Flash: 16 Mbit
  • DC-DC: 支持
  • 内置充电: 支持
  • DAC: 单声道
  • ADC: 单声道