特性 Features

CPU and Flexible IO

High performance 32bit RISC-V processor Core with DSP instruction?
RISC-V typical speed: 125MHz?
Program memory: internal 1M bit flash?
Internal 113KB 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(QDID:?215269);
TX output power +9dBm in MAX;?
RX Sensitivity with -91.7 @ Basic Rate;?
RX Sensitivity with -94.2 @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;?
Mono MIC amplifier input;?
High performance mono audio ADC with 94dB SNR;?
High performance mono audio DAC with 102dB SNR, with headphone amplifier output;

Package
QFN20 3*3;

Temperature
Operating temperature: -40℃ to +85℃;
Storage temperature: -65℃ to +150℃;