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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 8M bit flash
Internal 256KB RAM for data and program
Flexible GPIO pins with Programmable pullup and pull-down resistors;
Support GPIO wakeup or interrupt;
Bluetooth Radio
Compliant with Bluetooth V6.0 + BR + EDR + BLE specification QDID: Q309899 (Controller) QDID: Q304434 (Host)
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;
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℃;