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Rev.2.00 Nov 28, 2005 page 251 of 378
REJ09B0124-0200
M16C/6N Group (M16C/6NK, M16C/6NM) 20. Programmable I/O Ports
Under development
This document is under development and its contents are subject to change.
Figure20.3 I/O Ports (3)
Data bus
Pull-up selection
Direction register
Port latch
Input to respective peripheral functions
Switching
between
CMOS and Nch
Output
"1"
Data bus
Pull-up selection
Direction register
Port latch
Switching between CMOS and Nch
Data bus
NMI interrupt input
Data bus
Direction register
Port latch
Input to respective peripheral functions
Output
"1"
NOTES:
1. Symbolizes a parasitic diode.
Make sure the input voltage on each port will not exceed VCC.
2. Symbolizes a parasitic diode.
P6_2, P6_6
P6_3, P6_7
P7_0
P7_1, P9_1
P8_5
(NOTE 1)
(NOTE 1)
(NOTE 1)
(NOTE 2)