4.3.3 Target Analogue I/O

The ATmega168PB ADC input pins are available in the J203 header.

AREF is available in J200 pin 8.

Table 4-4. J203 Analogue Header
J203 PinATmega168PB PinFunction
1PC0ADC Input Channel 0
2PC1ADC Input Channel 1
3PC2ADC Input Channel 2
4PC3ADC Input Channel 3
5PC4ADC Input Channel 4
6PC5ADC Input Channel 5