Under development
This document is under development and its contents are subject to change.
M16C/6N Group (M16C/6N4)
1. Overview
Table 1.7 Pin Functions (3)
Signal Name
I/O port
Pin Name
P0_0 to P0_7
P1_0 to P1_7
P2_0 to P2_7
P3_0 to P3_7
I/O Type
I/O
Description
8-bit I/O ports in CMOS, having a direction register to select
an input or output.
Each pin is set as an input port or output port. An input port
can be set for a pull-up or for no pull-up in 4-bit unit by
program.
P4_0
P4_7
to
P5_0 to P5_7
P6_0 to P6_7
P7_0 to P7_7
P8_0 to P8_4
P8_6, P8_7
P9_0 to P9_7
P10_0 to P10_7
P8_5
(however, P7_1 and P9_1 for the N-channel open drain
output.)
_______
Input port
I
Input pin for the NMI interrupt.
Pin states can be read by the P8_5 bit in the P8 register.
I: Input
O: Output
I/O: Input/Output
Rev.2.40 Aug 25, 2006 page 11 of 88
REJ03B0003-0240
RENESAS [ RENESAS TECHNOLOGY CORP ]
