Datasheet

R8C/32C Group 1. Overview
R01DS0009EJ0100 Rev 1.00 Page 9 of 52
Aug. 24, 2010
I: Input O: Output I/O: Input and output
Table 1.6 Pin Functions (2)
Item Pin Name I/O Type Description
Reference voltage input VREF I Reference voltage input pin to A/D converter
A/D converter AN8 to AN11 I Analog input pins to A/D converter
ADTRG
I A/D external trigger input pin
Comparator B IVCMP1, IVCMP3 I Comparator B analog voltage input pins
IVREF1, IVREF3 I Comparator B reference voltage input pins
I/O port P1_0 to P1_7,
P3_3 to P3_5, P3_7,
P4_5 to P4_7
I/O CMOS I/O ports. Each port has an I/O select direction
register, allowing each pin in the port to be directed for
input or output individually.
Any port set to input can be set to use a pull-up resistor
or not by a program.
All ports can be used as LED drive ports.
Input port P4_2 I Input-only port