The 12-bit or 10-bit ADC in the NuMicro® Family series is mainly used for sensor signal sampling and does not produce a good effect in recording. Nevertheless, the I²S interface and audio CODEC can be used to realize the recording function. The NUC505 series is equipped with 24-bit Audio CODEC to support high-quality audio recording function.

The following table lists the NuMicro® Family series that support I²S interface:

NuMicro® Family Series with I²S Interface
NUC100/120 Series	NUC130/140 Series	NUC123 Series
NUC200/220 Series	NUC230/240 Series	Nano100 Series
NUC442/472 Series	M451¹ Series	NUC505² Series

Note1: The SPI1 and SPI2 in the M451 series supports I²S mode.

Note2: The NUC505 series supports internal audio CODEC.

The following figure is an example showing the connection between an audio CODEC (WAU822) and the NUC100.

Products:	Microcontrollers ,Arm Cortex-M0 MCUs ,M051 Base Series ,M0518 Series ,M0519 Series ,Mini51 Base Series ,Nano100/102 Base Series ,Nano110/112 LCD Series ,Nano120 USB Series ,Nano130 Advanced Series ,NUC029 Series ,NUC100/200 Advanced Series ,NUC120/122/123/220 USB Series ,NUC130/230 CAN Series ,NUC131/NUC1311 CAN Series ,NUC140/240 Connectivity Series ,Arm Cortex-M4 MCUs ,M451 Base Series ,M451M Series ,M452 USB Series ,M453 CAN Series ,NUC442/472 Series ,NUC505 Series
Applications:
Function:	Peripherals,Analog,ADC

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Does ADC (analog-to-digital converter) in the NuMicro® Family series support the recording function? Issue Date：2015-09-09

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