
7534 Group
Rev.3.00 Oct 23, 2006 page 13 of 53
REJ03B0099-0300
Table 3 I/O port function table
Name
I/O port P0
I/O port P1
I/O port P2
I/O port P3
I/O port P4
Pin
P00–P07
P10/RxD/D-
P1
1/TxD/D+
P1
2/SCLK
P13/SDATA
P14/CNTR0
P15, P16
P20/AN0–
P27/AN7
P30–P35
P36/INT1
P37/INT0
P40, P41
Related SFRs
Pull-up control register
Serial I/O1 control
register
Serial I/O2 control
register
Timer X mode register
A/D control register
Interrupt edge selection
register
Diagram No.Input/output
I/O individual
bits
I/O format
•CMOS compatible input level
•CMOS 3-state output
•USB input/output level when
selecting USB function
•CMOS compatible input level
•CMOS 3-state output
(Note)
Non-port function
Key input interrupt
Serial I/O1 function input/
output
Serial I/O2 function input/
output
Timer X function input/output
A/D conversion input
External interrupt input
(1)
(2)
(3)
(4)
(5)
(6)
(10)
(7)
(8)
(9)
(10)
Note: Port P10, P12, P13, P36, P37 is CMOS/TTL level.
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