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The Write Protect (WP) and Card Detect (CD) signals of the SD card connector are pulled up to the 3.3 V IO
voltage supply.
A series termination resistor is provided for the MMC clock signal.
4.17 ADC and DAC
The AM263x Control Card supports 24 ADC signal channels that are mapped for the AM263x SoC and
terminated to the HSEC connector. All ADC signals are ESD protected (TPD4E001DBVR).
SPRUJ09C – MARCH 2022 – REVISED FEBRUARY 2023
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Figure 4-26. ADC HSEC Connections
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Hardware Description
AM263x Control Card Hardware User's Guide
37
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