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CPU and Flexible IO
High performance 32bit RISC-V processor Core with DSP instruction
RISC-V typical speed: 125MHz
Program memory: internal 8M/16M（BT8922B_8M/BT8922D_16M) bit flash
Internal 256KB RAM for data and program
Flexible GPIO pins with Programmable pullup and pull-down resistors
Support GPIO wakeup or interrupt
Bluetooth Radio
Compliant with Bluetooth V6.0 + BR + EDR + BLE specification QDID: Q309899 (Controller) QDID: Q304434 (Host)
TX output power MAX +9dBm;
RX Sensitivity with -94dBm @2M EDR;
Support TWS communication with balance-efficiency Power consumption;
Support TWS Master-slave switch;
Audio Interface
High performance stereo DAC with 98dB SNR, support single end mode or differential mode;
One channel high performance ADC with 90dB SNR;
One channel MIC amplifier input;
Support flexible audio EQ adjust;
Support Sample rate 8, 11.025, 12, 16, 22.05, 32, 44.1 and 48KHz;
Four channel Stereo Analog MUX;
Package
QFN32;
Temperature
Operating temperature: -40℃ to +85℃;
Storage temperature: -65℃ to +150℃;
- CPU： RISC-V + DSP擴展 (125MHz)
- 封裝： QFN32
- 藍牙協(xié)議： BT 6.0: Q309899(Controller); Q304434(Host)
- Flash： 16 Mbit
- 內(nèi)置充電： 支持
- DAC： 立體聲
- ADC： 單聲道