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℃;
Product Applications
蓝牙5.0运动耳机；蓝牙5.0单耳耳机
Product