AB5656B中文资料蓝牙耳机芯片数据手册Bluetrum规格书

特性 Features

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 113KB RAM for data and program 
Flexible GPIO pins with Programmable pull-up and pull-down resistors; 
Support GPIO wakeup or interrupt;

Bluetooth Radio
Compliant to Bluetooth 5.4(QDID: 215269);
TX output power +9dBm in MAX; 
RX Sensitivity with -91.7 @ Basic Rate; 
RX Sensitivity with -94.2 @EDR;


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; 
Mono MIC amplifier input; 
High performance mono audio ADC with 94dB SNR; 
High performance stereo audio DAC with 102dB SNR, with headphone amplifier output;

Package
QFN20;

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