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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 16Mbit flash; 

On-chip RAM 892KB；

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 maximum output power +11dBm； 

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 stereo DAC and 24bit ADC; 

Support flexible audio EQ adjust; 

Support Sample rate 8, 11.025, 12, 16, 22.05, 32, 44.1, 48,96,192, 384KHz; 

Three channels MIC amplifier input; 

Three channels high performance audio ADC with 102dB SNR, support single-ended and differential mode;

High performance stereo audio DAC with 106dB SNR, support single-ended and differential mode;

Package

QFN40 4*6

Temperature

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