M16C6NK Datasheet, PDF (269/404 Pages) Renesas Technology Corp – 16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY / M16C/60 SERIES

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