CPU and Flexible IO
32bit High performance CPU with DSP instruction
Program memory: internal 4M bit flash
Flexible GPIO pins with Programmable pull-up and pull-down resistors;
Support GPIO wakeup or interrupt;
Bluetooth Radio
Compliant to Bluetooth 5.2 ;
TX output power +8dBm in MAX;
RX Sensitivity with -93dBm @EDR;
Audio Interface
High performance stereo DAC with 98dB SNR, support single end mode or differential mode;
One channel high performance ADC with 90dB SNR;
One channel MIC amplifier input;
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
QFN24;
Temperature
Operating temperature: -40℃ to +85℃;
Storage temperature: -65℃ to +150℃;
- CPU: RISC-V + DSP擴展 (125MHz)
- 封裝: QFN24
- 藍牙協議: BT 5.2 雙模 (QDID: 166851)
- Flash: 4 Mbit
- DC-DC: 支持
- 內置充電: 支持
- DAC: 立體聲
- ADC: 單聲道