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MITSUBISHI MICROCOMPUTERS
M37920S4CGP
16-BIT CMOS MICROCOMPUTER
Pin
P7
0
–P7
3
I/O port P7
Name
Input/
Output
I/O
Functions
Port P7 is a 4-bit I/O port. P7
2
and P7
3
also function as input pins for INT
3
and
INT
4
. According to the software setting, these pins also function as input pins for
the A-D converter.
Port P8 is a 7-bit I/O port. These pins also function as I/O pins for UART0, UART1.
This is an output pin for CS
0
.
Port P9 is a 6-bit I/O port. According to the software setting, P9
1
–P9
3
also funtion
as chip select output pins. While DRAM space is selected, P9
4
–P9
6
function as
output pins for DRAM control signals.
Port P12 is a 3-bit I/O port. These pins also functions as input pins for INT
0
, INT
1
,
INT
2
. According to software setting, these pins also function as input pins for timers
B0–B2.
This pin is for a non-maskable interrupt.
P8
0
–P8
6
CS
0
P9
1
–P9
6
I/O port P8
Chip-select output
I/O port P9
I/O
Output
I/O
P12
0
–P12
2
I/O port P12
I/O
NMI
Non-maskable interrupt
Input
5
RENESAS [ RENESAS TECHNOLOGY CORP ]
