4.3.3 Target Analog I/O

The ATmega328P ADC input pins are available in the J203 header.

AREF is available in J200 pin 8.

Table 4-4. J203 Analog Header
J203 Pin	ATmega328P Pin	Function
1	PC0	ADC Input Channel 0
2	PC1	ADC Input Channel 1
3	PC2	ADC Input Channel 2
4	PC3	ADC Input Channel 3
5	PC4	ADC Input Channel 4
6	PC5	ADC Input Channel 5

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