CPU and Flexible IO
32bit High performance CPU with DSP instruction;
Program memory: internal 8M bit flash ;
Flexible GPIO pins with Programmable pull-upand pull-down resistors; 
Support GPIO wakeup or interrupt;

Bluetooth Radio
Compliant to Bluetooth 5.4 and BLE specification;
TX output power +2dBm in typical;
RX Sensitivity with -90.5dBm @Basic Rate;

Audio Interface
Audio codec with 16bit stereo DAC and two channel 16bit ADC;
Support flexible audio EQ adjust;
Support Sample rate 8, 11.025, 12, 16, 22.05, 32, 44.1 and 48KHz;
4 channel Stereo Analog MUX;
Two channel MIC amplifier input;
High performance Stereo audio ADC with 90dB SNR;
High performance Stereo audio DAC with 95dB SNR, with headphone amplifier output;

Package

LQFP48;

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

Product Applications

藍牙5.3全功能TWS音箱