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MCBSTM32C User's Guide
Introduction Setup 
Theory of Operation 
Block Diagram Schematics Technical Data Prototyping Area Microcontroller Power Supply Configuration JTAG Interface ETM Interface LCD Panel w/Touch Screen LEDs Push Buttons Joystick Potentiometer Speaker/Headphone Microphone Serial Port CAN Interface USB Interface Ethernet Interface MicroSD Connector Accelerometer External EEPROM Writing Programs Example ProgramsMicrophone
The MCBSTM32C board includes a standard stereo microphone mini-connector for input to the on-board Cirrus CS42L52 CODEC. Installing jumpers J1 and J3 applies a bias voltage separately to the left and right microphone inputs (AIN3A and AIN3B). The bias voltage (MICBIAS) value is a software configurable parameter within the CODEC.
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