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Table 8.1
Port Functions
Port
Description
• 8-bit I/O port
Port 1
• Input pull-up MOS
option
• 1-bit input-only port P2
Port 2
• 7-bit I/O port
• Input pull-up MOS
option
• 8-bit I/O port
Port 5
• Input pull-up MOS
option
• 8-bit I/O port
Port 6
• Input pull-up MOS
option
• 8-bit I/O port
Port 7
• 8-bit I/O port
Port 8
• 8-bit I/O port
Port 9
• 4-bit I/O port
Port A
• 4-bit input port
Port B
• 2-bit I/O port
Port E
120
Pins
Other Functions
P1
to P1
/
External interrupts 3 to 1
7
5
IRQ
to IRQ
/
Timer event input TMIF, TMCIY
3
1
TMIF, TMCIY
P1
/PWM
14-bit PWM output
4
P1
/TMIG
Timer G input capture
3
P1
, P1
/TMOFH,
Timer F output compare
2
1
TMOFL
P1
/TMOW
Timer A clock output
0
/IRQ
External interrupt 0
7
0
P2
/TXD
SCI3 data output (TXD), data input
6
(RXD), clock input/output (SCK
P2
/RXD
5
P2
/SCK
4
3
P2
/SO
SCI1 data output (SO
3
1
(SI
P2
/SI
2
1
P2
/SCK
1
1
P2
/IRQ
/
External interrupt 4 and A/D
0
4
ADTRG
converter external trigger
P5
to P5
/
Wakeup input (WKP
7
0
WKP
to WKP
7
0
P6
to P6
None
7
0
P7
to P7
None
7
0
P8
to P8
None
7
0
P9
to P9
None
7
0
PA
to PA
None
3
0
PB
to PB
/
A/D converter analog input
7
4
AN
to AN
7
4
PE
to PE
None
3
2
), data input
1
), clock input/output (SCK
1
to WKP
7
Function
Switching
Register
PMR1
TCRF, TMY
PMR1
PMR1
PMR1
PMR1
PMR2
SCR3
)
SMR3
3
PMR6
PMR2
)
1
PMR2
)
PMR5
0
AMR
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