Datasheet

Section 20 A/D Converter
Rev. 4.00 Sep 27, 2006 page 615 of 1130
REJ09B0327-0400
20.1.3 Pin Configuration
Table 20.1 summarizes the input pins used by the A/D converter.
The AVCC and AVSS pins are the power supply pins for the analog block in the A/D converter.
Table 20.1 A/D Converter Pins
Pin Name Symbol I/O Function
Analog power supply pin AVCC Input Analog block power supply
Analog ground pin AVSS Input Analog block ground and A/D conversion
reference voltage
Reference power supply pin AVref Input A/D conversion reference voltage
Analog input pin 0 AN0 Input Analog input channel 0
Analog input pin 1 AN1 Input Analog input channel 1
Analog input pin 2 AN2 Input Analog input channel 2
Analog input pin 3 AN3 Input Analog input channel 3
Analog input pin 4 AN4 Input Analog input channel 4
Analog input pin 5 AN5 Input Analog input channel 5
Analog input pin 6 AN6 Input Analog input channel 6
Analog input pin 7 AN7 Input Analog input channel 7
A/D external trigger input pin ADTRG Input External trigger input for starting A/D
conversion
Expansion A/D input pins
0 to 15
CIN0 to
CIN15
Input Expansion A/D conversion input (digital
input pin) channels 0 to 15