BEKEN Bk3221 Broadcom Audio Speaker Bluetooth Module User Manual
BEKEN Bk3221 Broadcom Audio Speaker Bluetooth Module User Manual Circuit Composition:The circuit consists of Bluetooth, power amplifier, storage, communication interface, speaker interface, and USB port. See the PCB layout diagram for details. Bluetooth Electrical Parameters: Bluetooth VoltageInput 2.2-4.5V GPIOInputVoltage -0.3-(VDDIO+0.3)V…