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CPU and Flexible IO
High performance 32bit RISC-V processor Core with DSP instruction
RISC-V typical speed: 125MHz
Program memory: internal 4M bit flash
Internal 163KB RAM for data and program
Flexible GPIO pins with Programmable pull-up and pull-down resistors
Support GPIO wakeup or interrupt
Bluetooth Radio
Compliant to Bluetooth 5.3 specification (QDID: 194248);
TX output power MAX +8dBm;
RX Sensitivity with -92dBm @2M EDR;
Audio Interface
High performance mono DAC with 98dB SNR, with headphone amplifier output;
High performance mono audio ADC with 92dB SNR;
Support flexible audio EQ adjust;
Support Sample rate 8, 11.025, 12, 16, 22.05, 32, 44.1 and 48KHz;
Mono MIC amplifier input;
Package
QFN20 3.00x3.00x0.75 e=0.40;
Temperature
Operating temperature: -40℃ to +85℃;
Storage temperature: -65℃ to +150℃;