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AB137A DataSheet.pdf

CPU and Flexible IO

High performance 32bit RISC-V processor Core with DSP instruction 

RISC-V typical speed: 125MHz 

Program memory: internal 2M bit flash 

Internal 60KB RAM for data and program 

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; 

Support flexible audio EQ adjust; 

MIC amplifier input; 

Support Sample rate 8, 11.025, 12, 16, 22.05, 32, 44.1 and 48KHz;  Four channel Stereo Analog MUX;

Package

SOP16

Temperature

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