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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 256KB 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 5.4 and BLE specification (QDID: 207169);
TX output power MAX +9dBm;
RX Sensitivity with -94dBm @2M EDR;
Audio Interface
High performance stereo DAC with 98dB SNR, support single end mode or differential mode;
Two channel high performance ADC with 90dB SNR;
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
QFN32;
Temperature
Operating temperature: -40℃ to +85℃;
Storage temperature: -65℃ to +150℃;