CPU and Flexible IO

RISC-V 32bit High performance CPU with DSP instruction; 

Maximum 120MHz operating frequency; 

128k bytes SRAM; 

Program memory: internal 2M bit flash;

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

Support GPIO wakeup or interrupt;

Bluetooth Radio

BLE supports the transmission rate of 1Mbps and ±250KHz deviation; 

BLE output power ranges from -27dBm to 12dBm; 

BLE Receive Sensitivity with -86dBm in typical;

Audio Interface

Support flexible audio EQ adjust; 

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

2 channel Analog MUX; 

One channel MIC amplifier input; 

High performance mono audio ADC with 90dB SNR;




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

  • CPU: RISC-V + DSP扩展 (125MHz)
  • 封装: SOP16
  • 蓝牙协议: BT 5.2 双模 (QDID: 181186)
  • Flash: 2 Mbit
  • DC-DC: 不支持
  • 内置充电: 不支持
  • DAC:
  • ADC: