Datasheet
Section 19 A/D Converter 
    Rev. 3.00 Mar. 15, 2006 Page 379 of 526 
   REJ09B0060-0300 
19.2 Input/Output Pins 
Table 19.1 summarizes the input pins used by the A/D converter. The 8 analog input pins are 
divided into two groups; analog input pins 0 to 3 (AN0 to AN3) comprising group 0, analog input 
pins 4 to 7 (AN4 to AN7) comprising group 1. The AVcc pin is the power supply pin for the 
analog block in the A/D converter. 
Table 19.1  Pin Configuration 
Pin Name  Abbreviation  I/O  Function 
Analog power supply pin  AV
CC
  Input  Analog block power supply 
Analog input pin 0  AN0  Input 
Analog input pin 1  AN1  Input 
Analog input pin 2  AN2  Input 
Analog input pin 3  AN3  Input 
Group 0 analog input 
Analog input pin 4  AN4  Input 
Analog input pin 5  AN5  Input 
Analog input pin 6  AN6  Input 
Analog input pin 7  AN7  Input 
Group 1 analog input 
A/D external trigger input pin  ADTRG  Input  External trigger input for starting A/D 
conversion 










