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M38257M8-053FP Datasheet

  • M38257M8-053FP

  • SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

  • 70頁

  • MITSUBISHI   MITSUBISHI

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MITSUBISHI MICROCOMPUTERS
3825 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
DESCRIPTION
The 3825 group is the 8-bit microcomputer based on the 740 fam-
ily core technology.
The 3825 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 3825 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 3825 group, re-
fer the section on group expansion.
鈥?/div>
LCD drive control circuit
Bias ................................................................................... 1/2, 1/3
Duty ............................................................................ 1/2, 1/3, 1/4
Common output .......................................................................... 4
Segment output ......................................................................... 40
2 Clock generating circuits
Clock (X
IN
-X
OUT
) .................................. Internal feedback resistor
Sub-clock (X
CIN
-X
COUT
) .......... 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
In middle-speed mode ............................................... 2.5 to 5.5 V
(Low power source version: 2.2 V to 5.5 V)
(Extended operating temperature version: 3.0 V to 5.5 V)
In low-speed mode ..................................................... 2.5 to 5.5 V
(Low power source version: 2.2 V 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, at 5 V power source voltage)
In low-speed mode .............................................................. 45 碌W
(at 32 kHz oscillation frequency, at 3 V power source voltage)
Operating temperature range ................................... 鈥?20 to 85擄C
(Extended operating temperature version: 鈥?0 to 85擄C)
鈥?/div>
鈥?/div>
FEATURES
鈥?/div>
Basic machine-language instructions ....................................... 71
鈥?/div>
The minimum instruction execution time ............................ 0.5 碌s
(at 8MHz oscillation frequency)
鈥?/div>
Memory size
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
ROM .................................................................. 4 K to 60 K bytes
RAM ................................................................. 192 to 2048 bytes
Programmable input/output ports ............................................. 43
Software pull-up/pull-down resistors (Ports P0鈥揚8)
Interrupts .................................................. 17 sources, 16 vectors
(includes key input interrupt)
Timers ........................................................... 8-bit
!
3, 16-bit
!
2
Serial I/O ...................... 8-bit
!
1 (UART or Clock-synchronized)
A-D converter .................................................. 8-bit
!
8 channels
鈥?/div>
鈥?/div>
APPLICATIONS
Camera, household appliances, consumer electronics, etc.
PIN CONFIGURATION (TOP VIEW)
SEG
10
SEG
11
SEG
12
SEG
13
SEG
14
SEG
15
SEG
16
SEG
17
P3
0
/SEG
18
P3
1
/SEG
19
P3
2
/SEG
20
P3
3
/SEG
21
P3
4
/SEG
22
P3
5
/SEG
23
P3
6
/SEG
24
P3
7
/SEG
25
P0
0
/SEG
26
P0
1
/SEG
27
P0
2
/SEG
28
P0
3
/SEG
29
P0
4
/SEG
30
P0
5
/SEG
31
P0
6
/SEG
32
P0
7
/SEG
33
P1
0
/SEG
34
P1
1
/SEG
35
P1
2
/SEG
36
P1
3
/SEG
37
P1
4
/SEG
38
P1
5
/SEG
39
80
79
77
74
71
68
65
62
59
56
78
75
72
69
66
63
60
57
54
53
76
73
70
67
64
61
58
55
SEG
9
SEG
8
SEG
7
SEG
6
SEG
5
SEG
4
SEG
3
SEG
2
SEG
1
SEG
0
V
CC
V
REF
AV
SS
COM
3
COM
2
COM
1
COM
0
V
L3
V
L2
C
2
52
51
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
21
25
26
23
24
17
10
13
16
20
18
12
11
14
15
19
22
27
28
29
30
3
6
2
5
1
4
7
8
9
50
49
48
47
46
45
44
43
42
M38258MCMXXXFP
41
40
39
38
37
36
35
34
33
32
31
P1
6
P1
7
P2
0
P2
1
P2
2
P2
3
P2
4
P2
5
P2
6
P2
7
V
SS
X
OUT
X
IN
P8
0
/X
COUT
P8
1
/X
CIN
RESET
P7
0
P7
1
P7
2
P7
3
Package type : 100P6S-A (100-pin plastic-molded QFP)
Fig. 1 Pin configuration of M38258MCMXXXFP
C
1
V
L1
P6
7
/AN
7
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
P5
7
/ADT
P5
6
/T
OUT
P5
5
/CNTR
1
P5
4
/CNTR
0
P5
3
/RTP
1
P5
2
/RTP
0
P5
1
/INT
3
P5
0
/INT
2
P4
7
/S
RDY
P4
6
/S
CLK
P4
5
/ T
X
D
P4
4
/R
X
D
P4
3
/INT
1
P4
2
/INT
0
P4
1
/ f(X
IN
)/5 / f(X
IN
)/10
P4
0
/ f(X
IN
) / f(X
IN
)/2
P7
7
P7
6
P7
5
P7
4

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