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;
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 with90dB 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

蓝牙5.3TV声霸；卡拉OK音箱；教师专用扩音器