M16C/62P Group (M16C/62P, M16C/62PT)
21. Programmable I/O Ports
Rev.2.41
Jan 10, 2006
Page 259 of 390
REJ09B0185-0241
Figure 21.3
I/O Ports (3)
P6_2, P6_6
Data bus
Pull-up selection
Direction register
Port latch
Input to respective peripheral functions
P7_0, P7_1
Data bus
Direction register
Port latch
Input to respective peripheral functions
Output
“1”
P8_5
Data bus
NMI interrupt input
P6_3, P6_7
Output
“1”
Data bus
Pull-up selection
Direction register
Port latch
Switching between CMOS and Nch
Switching
between
CMOS and Nch
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.
2. symbolizes a parasitic diode.
(NOTE 1)
(NOTE 1)
(NOTE 1)
(NOTE 2)
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