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Rev.2.00 Nov 28, 2005 page 15 of 378
REJ09B0124-0200
M16C/6N Group (M16C/6NK, M16C/6NM) 1. Overview
Under development
This document is under development and its contents are subject to change.
Table 1.11 Pin Description (100-pin and 128-pin Versions) (3)
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.
(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 port
Input port
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
P11_0 to P11_7
(1)
P12_0 to P12_7
(1)
P13_0 to P13_7
(1)
P14_0, P14_1
(1)
P8_5
I/O
I
Signal Name Pin Name I/O Type Description
I: Input O: Output I/O: Input/Output
NOTE:
1. Ports P11 to P14 are only in the 128-pin version.