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CPU and Flexible IO
High performance 32bit RISC-V processor Core with DSP instruction
RISC-V typical speed: 140MHz
Program memory: internal 8M bit flash
Internal 320KB RAM for data and program
Flexible GPIO pins with Programmable pull-up and pull-down resistors
Support GPIO wakeup or interrupt
Bluetooth Radio
Compliant with Bluetooth V5.4 + BR + EDR + BLE specification (QDID:207169);
Maximum TX output power +10.5dBm;
RX Sensitivity with -94.5dBm @2M EDR;
Audio Interface
High performance stereo DAC with 104dB SNR, support differential mode and VCMBUF mode;
Three channels high performance ADC with 102dB SNR;
Three channels MIC amplifier input;
Support flexible audio EQ adjust;
Support Sample rate 8, 11.025, 12, 16, 22.05, 32, 44.1, 48, 88.2,96, 176.4 and 192KHz;
One channel stereo Analog MUX;
Package
QFN32 4*4
Temperature
Operating temperature: -40℃ to +85℃;
Storage temperature: -65℃ to +150℃;