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CPU and Flexible IO
High performance 32bit RISC-V processor Core with DSP instruction
RISC-V typical speed: 187MHz
Program memory: internal 4M bit flash
Internal 196KB 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 6.0 （QDID: Q342943）
TX output power +9dBm in typical
RX Sensitivity with -94.8dBm @BR
RX Sensitivity with -94.8dBm @EDR
Audio Interface
Audio codec with 16bit mono DAC and 16bit mono ADC;
Support flexible audio EQ adjust;
Support Sample rate 8, 11.025, 12, 16, 22.05, 32, 44.1 and 48KHz;
4 channels Analog AUX input;
One channel MIC amplifier input;
High performance mono audio ADC with 92dB SNR;
High performance stereo audio DAC with 107dB SNR,
Package
QFN32 4*4
- CPU： RISC-V + DSP扩展 (187MHz)
- 封装： QFN32
- 蓝牙协议： BT 6.0（QDID: Q342943）
- Flash： 4 Mbit
- 内置充电： 支持