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AB5706A DataSheet - Wireless MIC.pdf

CPU and Flexible IO

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

RISC-V typical speed: 187MHz 

Program memory: internal 4M bit flash 

Internal 196KB RAM for data and program 

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

Support GPIO wakeup or interrupt

2.4GHz Wireless RF

2.4GHz RF transceiver embedded, working in worldwide 2.4 GHz ISM band. 

2.4 GHz proprietary 2Mbps mode with Adaptive Frequency Hopping feature support 

RX sensitivity: -96dBm @ 2Mbps 

Typical TX output: +9 dBm 

50 Ω matched single-pin antenna interface; 

RSSI monitoring with ±1 dB resolution; 

Auto acknowledgement, retransmission and flow control;

Audio Interface

Audio codec with 16bit stereo 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 channels Analog AUX input; 

One channel MIC amplifier input; 

High performance mono audio ADC with 92dB SNR;

High performance stereo audio DAC with 107dB SNR,

Package

QFN20;