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 and BLE specification (QDID: 166851);
TX output power +10dBm in MAX;
RX Sensitivity with -93dBm @EDR;
Audio Interface
Audio codec with 16bit mono DAC and 16bit mono ADC;
Support flexible audio EQ adjust;
Support Sample rate 8, 11.025, 12, 16, 22.05, 32, 44.1 and 48KHz;
Mono MIC amplifier input;
High performance mono audio ADC with 91dB SNR;
High performance mono audio DAC with 97dB SNR, with headphone amplifier output;
Package
QFN20;
Temperature
Operating temperature: -40℃ to +85℃;
Storage temperature: -65℃ to +150℃;
- CPU: RISC-V + DSP擴展 (125MHz)
- 封裝: QFN20
- 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: 單聲道
- ADC: 單聲道