BT8958B中文资料智能穿戴芯片数据手册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 16Mbits SIP flash; 
On-chip RAM 892KB;
SPI PSRAM Controller； 
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 +9dBm 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 mono DAC and 24bit mono ADC;
Support flexible audio EQ adjust; 
Support Sample rate 8, 11.025, 12, 16, 22.05, 32, 44.1, 48,96,192KHz; 
One channel MIC amplifier input; 
High performance mono audio ADC with 101dB SNR, support single end mode;
High performance mono audio DAC with 103dB SNR, support single end mode;

Package
QFN52 6*6

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