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M16C/62P Group (M16C/62P, M16C/62PT)
21. Programmable I/O Ports
Rev.2.41
Jan 10, 2006
Page 258 of 390
REJ09B0185-0241
Figure 21.2
I/O Ports (2)
NOTES:
1. Symbolizes a parasitic diode.
Make sure the input voltage on each port will not exceed VCC.
VCC: VCC1 for the port P6 to P11 and P14, and VCC2 for the port P0 to P5 and P12 to P13.
P8_2 to P8_4
Data bus
Pull-up selection
Direction register
Port latch
Input to respective peripheral functions
(NOTE 1)
P6_1, P6_5, P7_2
“1”
Output
Data bus
Direction
register
Port latch
Pull-up selection
(NOTE 1)
Input to respective peripheral functions
Switching
between
CMOS and
Nch
P5_5, P7_7, P9_1, P9_7
Data bus
Pull-up selection
Direction register
Port latch
Input to respective peripheral functions
(NOTE 1)
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