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M16C/6N Group (M16C/6N4)
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
P4_0 to P4_7
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
Input port
I: Input
P8_5
O: Output
I
_______
1. Overview
I/O Type
Description
8-bit I/O ports in CMOS, having a direction register to select
I/O
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.
(however, P7_1 and P9_1 for the N-channel open drain
output.)
Input pin for the NMI interrupt.
Pin states can be read by the P8_5 bit in the P8 register.
I/O: Input/Output
Rev.2.40 Aug 25, 2006
REJ03B0003-0240
page 11 of 88
RENESAS [ RENESAS TECHNOLOGY CORP ]
