4
3819 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
8-bit output port with the same function as
port P0
P5
0
/S
IN2
/AN
8
,
P5
1
/S
OUT2
/AN
9
,
P5
2
/S
CLK2
/AN
10
,
P5
3
/S
RDY2
/AN
11
P5
4
/S
IN3
/AN
12
,
P5
5
/S
OUT3
/AN
13
,
P5
6
/S
CLK3
/AN
14
,
P5
7
/S
RDY3
/AN
15
P6
0
P6
1
/PWM
P6
2
/CNTR
0
,
P6
3
/CNTR
1
P6
4
/S
IN1
,
P6
5
/S
OUT1
,
P6
6
/S
CLK11
,
P6
7
/S
RDY1
/CS/
S
CLK12
PIN DESCRIPTION (Continued)
Pin
Name
Function
Function except a port function
I/O port P5
8-bit CMOS I/O port with the same function
as ports P2
4
–P2
7
CMOS compatible input level
CMOS 3-state output
8-bit CMOS I/O port with the same function
as ports P2
4
–P4
7
CMOS compatible input level
CMOS 3-state output
8-bit CMOS I/O port with the same function
as ports P2
4
–P2
7
CMOS compatible input level
CMOS 3-state output
8-bit I/O port with the same function as ports
P2
4
–P2
7
CMOS compatible input level
The high-breakdown-voltage P-channel
open-drain
8-bit I/O port with the same function as ports
P2
4
–P2
7
CMOS compatible input level
The high-breakdown voltage P-channel open-
drain
4-bit CMOS I/O port with the same function
as ports P2
4
–P2
7
CMOS compatible input level
CMOS 3-state output
Serial I/O2 function pins
A-D conversion input pins
Serial I/O3 function pins
A-D conversion input pins
PWM output pin (Timer output pin)
Timer input pins
Serial I/O1 function pins
A-D conversion input pins
FLD automatic display pins
I/O pins for sub-clock generating circuit (con-
nect a ceramic resonator or a quarts-crystal
oscillator)
D-A conversion output pin
P7
0
/AN
0
–
P7
7
/AN
7
P8
0
/SEG
8
–
P8
7
/SEG
15
P9
0
/SEG
16
–
P9
7
/SEG
23
PA
0
/SEG
0
–
PA
7
/SEG
7
PB
0
/X
COUT
,
PB
1
/X
CIN
PB
2
/DA
PB
3
I/O port P6
I/O port P7
I/O port P8
Output port P9
I/O port PA
I/O port PB