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BT8952U DataSheet - Wireless MIC.pdf

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;

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: -93dBm @ 2Mbps 

TX output power: up to +11 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 24bit stereo DAC and 24bit mono ADC; 

Support flexible audio EQ adjust; 

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

Two channels MIC amplifier input; 

High performance mono audio ADC with 101dB SNR, support single-ended and differential mode; 

High performance stereo audio DAC with 103dB SNR, support single-ended and differential mode;

Package

QFN32

Temperature

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