
14
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
38C8 Group
Table 5 List of I/O port function
Pin
P00–P07
P10/AIN4–
P13/AIN7
P14–P17
P20–P27
P30/AIN0–
P33/AIN3
P40/INT0
P41/INT1/ADT
P42/CNTR0/
BEEP+
P43/CNTR1/
BEEP-
P44/RxD
P45/TxD
P46/SCLK
P47/SRDY
COM0–COM7,
COM
8
–COM
15
SEG
0
/COM
16
–
SEG
7
/COM
23
,
SEG
60
/COM
31
–
SEG
67
/COM
24
SEG
8
–SEG
59
Name
Port P0
Port P1
Port P2
Port P3
Port P4
Common
Segment/
Common
Segment
Input/Output
Input/Output,
individual bits
Input/Output,
individual bits
Input/Output,
individual bits
Input
Input/Output,
individual bits
Output
I/O format
CMOS compatible input
level
CMOS 3-state output
CMOS compatible input
level
CMOS 3-state output
CMOS compatible input
level
CMOS 3-state output
CMOS compatible input
level
CMOS compatible input
level
CMOS 3-state output
LCD common output
LCD segment output
LCD common ouput
LCD segment output
Non-port function
A-D converter input
Key input (key-on
wake-up) interrupt in-
put
A-D converter input
External interrupt in-
put
Timer X function I/O
Timer Y function I/O
Serial I/O funtion
I/O
Related SFRs
PULL register A
PULL register A
A-D control register
PULL register A
PULL register A
Interrupt control register 2
PULL register A
A-D control register
PULL register B
Interrupt edge select
register
PULL register B
Timer X mode register
PULL register B
Timer Y mode register
PULL register B
Serial I/O control register
Serial I/O status register
UART control register
LCD mode register
Ref. No.
(1)
(2)
(1)
(1)
(2)
(3)
(1)
(4)
(5)
(6)
(7)
(8)
(9)
Commentaires sur ces manuels