MITSUBISHI MICROCOMPUTERS
3820 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
PIN DESCRIPTION
Pin
P5
0
/S
IN2
,
P5
1
/S
OUT2
,
P5
2
/S
CLK2
,
P5
3
/S
RDY2
P5
4
/CNTR
0
,
P5
5
/CNTR
1
P5
6
/T
OUT
P5
7
/INT
2
P6
0
/INT
3
/RTP
0
P6
1
/RTP
1
I/O port P6
2-bit I/O port
CMOS compatible input level
CMOS 3-state output structure
I/O direction register allows each pin to be individually
programmed as either input or output.
• Pull-up control is enabled.
•
•
•
•
2-bit I/O port
CMOS compatible input level
CMOS 3-state output structure
I/O direction register allows each pin to be individually
programmed as either input or output.
• Pull-up control is enabled.
•
•
•
•
Name
I/O port P5
•
•
•
•
Function
Function except a port function
8-bit I/O port
CMOS compatible input level
CMOS 3-state output structure
I/O direction register allows each pin to be individually
programmed as either input or output.
• Pull-up control is enabled.
• Serial I/O2 function pins
• Timer function pins
• Timer output pin
• Interrupt input pin
• Interrupt input pins(P6
0
)
• Real time port function pin
P7
0
/X
COUT,
P7
1
/X
CIN
I/O port P7
• Sub-clock generating circuit input
pins
(Connect a resonator. External clock
cannot be used.)
5
MITSUBISHI [ MITSUBISHI ELECTRIC SEMICONDUCTOR ]
