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;
Build in 256Kbyte flash;
Bluetooth Radio
Compliant to Bluetooth 5.0 and BLE specification (QDID: 115952);
TX output power +2dBm in typical;
RX Sensitivity with -90.5dBm @Basic Rate;

Audio Interface
Audio codec with 16bit stereo DAC and mono 16bit ADC;
Support flexible audio EQ adjust;
Support Sample rate 8, 11.025, 12, 16, 22.05, 32, 44.1 and 48KHz;
3 channel Stereo Analog MUX;

Mono MIC amplifier input;
High performance Stereo audio ADC with 90dB SNR;
High performance Stereo audio DAC with 95dB SNR, with headphone amplifier output;

Package
QFN24;
Temperature
Operating temperature: -40℃ to +85℃;
Storage temperature: -65℃ to +150℃;

  • CPU: RISC-V + DSP扩展 (52MHz)
  • 封装: QFN24
  • 蓝牙协议: BT 5.0 (QDID: 115952)
  • Flash: 2 Mbit
  • DC-DC: 不支持
  • 内置充电: 不支持
  • DAC: 立体声
  • ADC: 单声道
  • 模块: MIC