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VCC
SEG6
SEG7
V
L2
V
L1
P5
7
/ADT
P5
6
/
P4
7
/S
RDY
P4
6
/S
CLK
P4
5
/
P4
4
/R
X
D
P4
3
/INT
1
P4
2
/INT
0
P5
0
/INT
2
P5
4
/CNTR
0
P5
2
/RTP
0
P5
3
/RTP
1
P5
1
/INT
3
P5
5
/CNTR
1
P6
7
/AN
7
P41/
φ
P40
XIN
XOUT
VSS
P27
P26
P25
P24
P23
P22
P21
P20
RESET
P70/XCOUT
P71/XCIN
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
M38223M4-XXXFP
80
79
78
77
76
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
43
42
41
44
SEG5
SEG3
SEG4
SEG2
SEG1
SEG0
VREF
AVSS
COM2
COM3
COM1
COM0
VL3
P6
6
/AN
6
P6
5
/AN
5
P6
4
/AN
4
P6
3
/AN
3
P6
2
/AN
2
P6
1
/AN
1
P6
0
/AN
0
T
OUT
T
X
D
SEG
8
SEG
9
SEG
10
SEG
11
P3
4
/SEG
12
P3
5
/SEG
13
P3
6
/SEG
14
P3
7
/SEG
15
P0
0
/SEG
16
P0
1
/SEG
17
P0
2
/SEG
18
P0
3
/SEG
19
P0
4
/SEG
20
P0
5
/SEG
21
P0
6
/SEG
22
P0
7
/SEG
23
P1
0
/SEG
24
P1
1
/SEG
25
P1
2
/SEG
26
P1
3
/SEG
27
P1
4
/SEG
28
P1
5
/SEG
29
P1
6
/SEG
30
P1
7
/SEG
31
3822 Group
PIN CONFIGURATION (TOP VIEW)
Package type : 80P6N-A
80-pin plastic-molded QFP
DESCRIPTION
The 3822 group is the 8-bit microcomputer based on the 740 fam-
ily core technology.
The 3822 group has the LCD drive control circuit an 8-channel A-
D converter, and a Serial I/O as additional functions.
The various microcomputers in the 3822 group include variations
of internal memory size and packaging. For details, refer to the
section on part numbering.
For details on availability of microcomputers in the 3822 group, re-
fer to the section on group expansion.
FEATURES
Basic machine-language instructions ....................................... 71
The minimum instruction execution time ............................ 0.5 s
(at 8MHz oscillation frequency)
Memory size
ROM .................................................................. 4 K to 32 K bytes
RAM ................................................................. 192 to 1024 bytes
Programmable input/output ports ............................................. 49
Software pull-up/pull-down resistors (Ports P0-P7 except Port P40)
Interrupts .................................................. 17 sources, 16 vectors
(includes key input interrupt)
Timers ........................................................... 8-bit ! 3, 16-bit ! 2
Serial I/O1 ..................... 8-bit ! 1 (UART or Clock-synchronized)
Serial I/O2 ........................................................ 8-bit ! 8 channels
LCD drive control circuit
Bias ................................................................................... 1/2, 1/3
Duty ............................................................................ 1/2, 1/3, 1/4
Common output .......................................................................... 4
Segment output ......................................................................... 32
2 Clock generating circuit
Clock (XIN-XOUT) .................................. Internal feedback resistor
Sub-clock (XCIN-XCOUT) .......... Without internal feedback resistor
(connect to external ceramic resonator or quartz-crystal oscillator)
Power source voltage
In high-speed mode .................................................... 4.0 to 5.5 V
(at 8MHz oscillation frequency and high-speed selected)
In middle-speed mode ................................................2.5 to 5.5 V
(at 8MHz oscillation frequency and middle-speed selected)
In low-speed mode ...................................................... 2.5 to 5.5 V
(Extended operating temperature version: 3.0 V to 5.5 V)
Power dissipation
In high-speed mode ........................................................... 32 mW
(at 8 MHz oscillation frequency)
In low-speed mode .............................................................. 45
W
(at 32 kHz oscillation frequency, at 3 V power source voltage)
Operating temperature range ................................... – 20 to 85°C
(Extended operating temperature version: –40 to 85
°C)
APPLICATIONS
Camera, household appliances, consumer electronics, etc.
MITSUBISHI MICROCOMPUTERS
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
Fig. 1 Pin configuration of M38223M4-XXXFP
1-2