CPU and Flexible IO

32bit High performance CPU with DSP instruction;
Program memory: internal 4M bit flash;
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: 215269);

TX output power MAX +8dBm;
RX Sensitivity with -92dBm @2M EDR;

Audio Interface

High performance stereo DAC with 98dB SNR, with headphone amplifier output;
Three channel high performance ADC with 92dB SNR;
Three channel MIC amplifier input, support single end mode or differential mode;
Support flexible audio EQ adjust;
Support Sample rate 8, 11.025, 12, 16, 22.05, 32, 44.1 and 48KHz;
Mono MIC amplifier input;


QFN20 3.00x3.00x0.75 e=0.40;


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


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  • CPU: RISC-V + DSP扩展 (125MHz)
  • 封装: QFN20
  • 蓝牙协议: BT 5.4 双模(QDID: 215269)
  • Flash: 4 Mbit
  • DC-DC: 支持
  • 内置充电: 支持
  • DAC: 单声道
  • ADC: 单声道