CPU and Flexible IO

32bit High performance CPU with DSP instruction 

Program memory: internal 2M bit flash 

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

Support GPIO wakeup or interrupt;

Audio Interface

High performance stereo DAC with 95dB SNR; 

High performance mono ADC with 90dB SNR; 

Support flexible audio EQ adjust; 

Support MIC amplifier input; 

Support Sample rate 8, 11.025, 12, 16, 22.05, 32, 44.1 and 48KHz;  Four channel Stereo Analog MUX;




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

  • CPU: RISC-V + DSP扩展 (125MHz)
  • 封装: SSOP24
  • 蓝牙协议:
  • Flash: 2 Mbit
  • DC-DC: 不支持
  • 内置充电: 不支持
  • DAC: 立体声
  • ADC: 单声道