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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 and BLE specification (QDID: 194248);
TX output power MAX +8dBm;
RX Sensitivity with -92dBm @2M EDR;
Support TWS communication with balance-efficiency Power consumption;
Support TWS Master-slave switch;
Audio Interface
High performance stereo DAC with 98dB SNR, support single end mode or differential mode;
Three channel high performance ADC with 92dB 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 channels Stereo Analog MUX;
Package
QFN32 4.00x4.00x0.75 e=0.40;
Temperature
Operating temperature: -40℃ to +85℃;
Storage temperature: -65℃ to +150℃;