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M38B42E8H-XXXXFP Datasheet

  • M38B42E8H-XXXXFP

  • SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

  • 1203.46KB

  • 78頁

  • MITSUBISHI   MITSUBISHI

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MITSUBISHI MICROCOMPUTERS
38B4 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
DESCRIPTION
The 38B4 group is the 8-bit microcomputer based on the 740 family
core technology.
The 38B4 group has six 8-bit timers, a 16-bit timer, a fluorescent
display automatic display circuit, 12-channel 10-bit A-D converter, a
serial I/O with automatic transfer function, which are available for
controlling musical instruments and household appliances.
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FEATURES
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Basic machine-language instructions ....................................... 71
Minimum instruction execution time ................................. 0.48
碌s
(at 4.2 MHz oscillation frequency)
Memory size
ROM ............................................. 48K to 60K bytes
RAM .......................................... 1024 to 2048 bytes
Programmable input/output ports ............................................. 51
High-breakdown-voltage output ports ...................................... 36
Software pull-up resistors (Ports P5, P6
1
to P6
5
, P7, P8
4
to P8
7
,
P9)
Interrupts .................................................. 21 sources, 16 vectors
Timers ........................................................... 8-bit
!
6, 16-bit
!
1
Serial I/O1 (Clock-synchronized) ................................... 8-bit
!
1
...................... (max. 256-byte automatic transfer function)
Serial I/O2 (UART or Clock-synchronized) .................... 8-bit
!
1
PWM ............................................................................ 14-bit
!
1
8-bit
!
1 (also functions as timer 6)
A-D converter .............................................. 10-bit
!
12 channels
Fluorescent display function ......................... Total 40 control pins
Interrupt interval determination function ..................................... 1
Watchdog timer ............................................................ 20-bit
!
1
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Buzzer output ............................................................................. 1
Clock generating circuit ...................................... Built-in 2 circuits
(connect to external ceramic resonator or quartz-crystal
oscillator)
Power source voltage
In high-speed mode ................................................... 4.0 to 5.5 V
(at 4.2 MHz oscillation frequency)
2.7 to 5.5 V
(at 2.0 MHz oscillation frequency)
In middle-speed mode ................................................ 2.7 to 5.5 V
(at 4.2 MHz oscillation frequency)
In low-speed mode ..................................................... 2.7 to 5.5 V
(at 32 kHz oscillation frequency)
Power dissipation
In high-speed mode .......................................................... 35 mW
(at 4.2 MHz oscillation frequency)
In low-speed mode ............................................................. 60 碌W
(at 32 kHz oscillation frequency, at 3 V power source voltage)
In stop mode ......................................................................... 1 碌A
(at clock stop)
Operating temperature range ................................... 鈥?0 to 85 擄C
APPLICATION
Musical instruments, VCR, household appliances, etc.
PIN CONFIGURATION (TOP VIEW)
P2
0
/B
UZ02
/FLD
0
P2
1
/FLD
1
P2
2
/FLD
2
P2
3
/FLD
3
P2
4
/FLD
4
P2
5
/FLD
5
P2
6
/FLD
6
P2
7
/FLD
7
P0
0
/FLD
8
P0
1
/FLD
9
P0
2
/FLD
10
P0
3
/FLD
11
P0
4
/FLD
12
P0
5
/FLD
13
P0
6
/FLD
14
P0
7
/FLD
15
P1
0
/FLD
16
P1
1
/FLD
17
P1
2
/FLD
18
P1
3
/FLD
19
P1
4
/FLD
20
P1
5
/FLD
21
P1
6
/FLD
22
P1
7
/FLD
23
64
63
62
61
60
59
58
57
56
55
54
53
52
51
P5
7
/S
RDY2/
S
CLK22
P5
6
/S
CLK21
P5
5
/TxD
P5
4
/RxD
P5
3
/S
CLK12
P5
2
/S
CLK11
P5
1
/S
OUT1
P5
0
/S
IN1
AV
SS
V
REF
P6
5
/S
STB1
/AN
11
P6
4
/INT
4
/S
BUSY1
/AN
10
P6
3
/AN
9
P6
2
/S
RDY1
/AN
8
P7
7
/AN
7
P7
6
/AN
6
50
49
48
47
46
45
44
43
42
41
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
M38B4xMxH-XXXXFP
P3
0
/FLD
24
P3
1
/FLD
25
P3
2
/FLD
26
P3
3
/FLD
27
P3
4
/FLD
28
P3
5
/FLD
29
P3
6
/FLD
30
P3
7
/FLD
31
P8
0
/FLD
32
P8
1
/FLD
33
P8
2
/FLD
34
P8
3
/FLD
35
V
EE
P8
4
/FLD
36
P8
5
/RTP
0
/FLD
37
P8
6
/RTP
1
/FLD
38
Note:
In the mask option type P, INT
3
and CNTR
1
cannot be used.
Fig. 1 Pin configuration of M38B4xMxH-XXXXFP
P7
5
/AN
5
P7
4
/AN
4
P7
3
/AN
3
P7
2
/AN
2
P7
1
/AN
1
P7
0
/AN
0
P6
1
/CNTR
0
/CNTR
2
(Note)
P6
0
/CNTR
1
P4
7
/INT
2
RESET
P9
1
/X
COUT
P9
0
/X
CIN
V
SS
X
IN
X
OUT
V
CC
P4
6
/T
3OUT
P4
5
/T1
OUT
P4
4
/PWM
1
P4
3
/B
UZ01
(Note)
P4
2
/INT
3
P4
1
/INT
1
P4
0
/INT
0
P8
7
/PWM
0
/FLD
39
Package type : 80P6N-A
80-pin plastic-molded QFP

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