CPU and Flexible IO

32bit High performance CPU with DSP instruction; 

Program memory: internal 8M 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: 207169); 

TX output power MAX +9dBm; 

RX Sensitivity with -94dBm @2M EDR;

Audio Interface

High performance stereo DAC with 98dB SNR, support single end mode or differential mode; 

Two channel high performance ADC with 90dB SNR; 

Support flexible audio EQ adjust; 

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

Four channel Stereo Analog MUX;

Package

QFN32;

Temperature

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