CPU and Flexible IO

High performance 32 Bit RISC-V processor Core and HIFI 4 DSP; 

RISC-V contains floating point unit(FPU), supports floating point arithmetic;

RISC-V maximum speed 125MHz and HIFI 4 maximum speed 270MHz;

Program memory: internal 16Mbits SIP flash; 

On-chip RAM 892KB;

SPI PSRAM Controller； 

Flexible GPIO pins with Programmable pull-up and pull-down resistors;

Support GPIO wakeup or interrupt;

Bluetooth Radio

Compliant to Bluetooth 5.4 and BLE specification (QDID: 207169); 

Support LE audio BIS/CIS; 

TX output power +9dBm in typical;

RX Sensitivity with -94.5dBm @EDR; 

RX Sensitivity with -95.5dBm @ 1M BLE;

RX Sensitivity with -93dBm @ 2M BLE;

Audio Interface

Audio codec with 24bit mono DAC and 24bit mono ADC;

Support flexible audio EQ adjust; 

Support Sample rate 8, 11.025, 12, 16, 22.05, 32, 44.1, 48,96,192KHz; 

One channel MIC amplifier input; 

High performance mono audio ADC with 101dB SNR, support single end mode;

High performance mono audio DAC with 103dB SNR, support single end mode;

Package

QFN52 6*6

Temperature

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