M37544 Datasheet, PDF (16/68 Pages) Renesas Technology Corp – SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

7544 Group
Table 5 I/O port function table
Pin
P00/CNTR1
P01
P02
P03/TXOUT
P04–P07
P10/RxD
P11/TxD
P12/_S_C_{_}L_{_}K
P13/SRDY
P14/CNTR0
P20/AN0–
P25/AN5
P30–P33
P34/INT1
P37/INT0
Name Input/output
I/O format
Non-port function
I/O port P0 I/O individual •CMOS compatible
bits
input level
•CMOS 3-state output
(Note)
Key input interrupt
Timer X function output
Timer A function input
I/O port P1
Serial I/O function
input/output
Related SFRs
Pull-up control register
Timer X mode register
Timer A mode register
Interrupt edge selection
register
Serial I/O control register
Port P1,P3 control register
I/O port P2
I/O port P3
Timer X function input/output Timer X mode register
A/D conversion input
A/D control register
External interrupt input
Pull-up control register
Interrupt edge selection
register
Pull-up control register
Port P1,P3 control register
Note : Ports P10, P12, P34, and P37 are CMOS/TTL level.
Diagram No.
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
Rev.1.04 2004.06.08 page 16 of 66
REJ03B0012-0104Z