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FAQ
What is the function of the VMID pin in NUC505? How to design the circuit diagram? Issue Date：2018-01-15
VMID is the microphone reference voltage, which must be connected to the MICN when the microphone is configured for single-ended input.
As shown, the suggested components are C1=220pF, C2=1uF, R1=680oh~2.2kohm, R2=0ohm.
If it is differential input, the connection is the same as the connection on the NUC505 Tiny Board, as shown below.
| Products: | Microcontrollers ,Arm Cortex-M4 MCUs ,NUC505 Series |
|---|---|
| Applications: | |
| Function: | Peripherals,Connectivity,I2S |