The following table lists all available MCA IOs and their capabilities:

MCA IO PAD LGA/CS* Digital I/O IRQ-capable Debounce-capable ADC 32KHz clock 1.2 Vref

MCA_IO0

A2/76

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MCA_IO1

B2

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MCA_IO2/EXT_VREF

B5

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MCA_IO3

C3

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MCA_IO4

A3/75

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MCA_IO5

B6

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MCA_IO6/CLKOUT32K

C4

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SWD_DIO/MCA_IO7

A7/71

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* CS = castellated pads

Some of the MCA GPIO pins can be configured as ADC channels. When configured as ADC channel, a GPIO cannot be requested as a standard GPIO.

For information about configuring an MCA pin as ADC channel, see Analog-to-Digital Converter (ADC).