BT8951D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 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;

Bluetooth Radio
Compliant to Bluetooth 5.4 and BLE specification (QDID: 207169); 
Support LE audio BIS/CIS; 
TX output power +8dBm in typical; 
RX Sensitivity with -94.5dBm @EDR; 
RX Sensitivity with -95.5dBm @ 1M BLE; RX Sensitivity with -93dBm @ 2M BLE;


Audio Interface

Audio codec with 24bit stereo DAC and 24bit ADC; 
Support flexible audio EQ adjust; 
Support Sample rate 8, 11.025, 12, 16, 22.05, 32, 44.1, 48,96,192, 384KHz; 
Three channels MIC amplifier input; 
Three channels high performance audio ADC with 102dB SNR, support single-ended and differential mode;
High performance stereo audio DAC with 106dB SNR, support single-ended and differential mode;

Package
QFN40 4*6;

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