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BT8858 DataSheet.pdf

CPU and Flexible IO
High performance 32bit RISC-V processor Core with DSP instruction

RISC-V typical speed: 125MHz 

Program memory: internal 4M bit flash 

Internal 190KB 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 5.3 and BLE specification (QDID: 194248);

TX output power +2dBm in typical;
RX Sensitivity with -90.5dBm @Basic Rate;

Audio Interface
Audio codec with 16bit stereo DAC and two channel 16bit ADC;
Support flexible audio EQ adjust;
Support Sample rate 8, 11.025, 12, 16, 22.05, 32, 44.1 and 48KHz;
4 channel Stereo Analog MUX;
Two channel MIC amplifier input;
High performance Stereo audio ADC with 90dB SNR;
High performance Stereo audio DAC with 95dB SNR, with headphone amplifier output;

Package
QFN32;

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