CPU and Flexible IO

RISC-V 32bit High performance CPU with DSP instruction; 

Maximum 120MHz operating frequency; 

128k bytes SRAM;  Program memory: internal 4M bit flash; 

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 +6dBm in typical; 

RX Sensitivity with -90.5dBm @EDR; 

BLE supports the transmission rate of 1Mbps; 

BLE transmission power ranges from 7dBm to 12dBm; 

BLE Sensitivity with -88.3dBm in typical;

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 channel Analog MUX; 

One channel MIC amplifier input; 

High performance mono audio ADC with 90dB SNR; 

High performance audio DAC with 96dB SNR, with headphone amplifier output;

Package
QFN32;

Temperature

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

Product Applications

带屏多功能音箱；简易版拉杆箱；声霸