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CPU and Flexible IO

32bit High performance CPU with DSP instruction 

Program memory: internal 2M bit flash 

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

Support GPIO wakeup or interrupt;

Audio Interface

High performance stereo DAC with 95dB SNR; 

High performance mono ADC with 90dB SNR; 

MIC amplifier input; 

Support flexible audio EQ adjust; 

Support Sample rate 8, 11.025, 12, 16, 22.05, 32, 44.1, 48 and 96kHZ; 

Four channel Stereo Analog MUX; 

VID and PID information can be configured; 

Audio head insertion and extraction detection; 

Earphone microphone detection; 

Automatic recognition of OMTP and CTIA headphones, and automatic adaptation;

Package

QFN20;

Temperature

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