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參數(shù)資料
| 型號(hào)： | SM5M2 |
| 廠商： | Sharp Corporation |
| 英文描述： | 4-Bit Single-Chip Microcomputer(LCD Driver) |
| 中文描述： | 4位單片機(jī)（LCD驅(qū)動(dòng)器） |
| 文件頁(yè)數(shù)： | 1/28頁(yè) |
| 文件大?。?/td> | 253K |
| 代理商： | SM5M2 |
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SM5M2
- 1 -
In the absence of confirmation by device specification sheets, SHARP takes no responsibility for any defects that may occur in equipment using any SHARP devices shown in catalogs, data books,
etc. Contact SHARP in order to obtain the latest device specification sheets before using any SHARP device.
DESCRIPTION
The SM5M2 is a CMOS 4-bit single-chip micro-
computer operated on 3.0 V single power supply.
This microcomputer integrates 4-bit parallel
processing function, ROM, RAM, display RAM, 15-
stage divider, 2-kind of interrupt and 4-level of
subroutine stack. With a built-in LCD drive circuit
for a maximum of 136 elements, a 2-mode standby
function, voice synthesizer and a melody generator
circuit in a single chip, the SM5M2 permits the
design of system configuration with a minimum of
peripheral components. It can be used in a variety
of products from handheld equipment to electrical
appliances, such as hand held games with voice,
and also achieves low power consumption.
FEATURES
ROM capacity :
3 072 x 8 bits (For main program)
64k x 5 bits (For voice)
256 x 6 bits (For melody)
RAM capacity :
130 x 4 bits
(including 34 x 4 bits
display RAM)
Instruction sets : 51
Subroutine nesting : 4 levels
I/O port :
Input
Output
Input/output
Interrupts :
Internal interrupt
External interrupt
Built-in voice synthesizer circuit (APCM) :
Number of phrases : 256
Voice ROM
Bit rate
Number of coded bit : 5 bits
Sampling frequency : 5/7 kHz
Generation period
Built-in main clock oscillator for system clock
Built-in sub clock oscillator for real time clock
1
6
7
x 1 (divider overflow)
x 1 (INTA)
: 64 k x 5 bits
: 25/35 kbps
: 9.1 to 12.8 s
PIN CONNECTIONS
Built-in 15 stages divider for real time clock
Built-in LCD driver :
136 segments, 1/2 bias, 1/4 duty cycle
Built-in melody generator circuit :
Melody ROM : 256 steps
Generating time (at 32.768 kHz) : 32 s (MAX.)
Instruction cycle time :
25.9 μs (MIN.) (at 70 kHz ± 10%)
61 μs
(TYP.) (at 32.768 kHz)
When using the clock with the system clock.
Standby function
Supply voltage : 2.4 to 3.3 V
Package : 72-pin QFP (QFP072-P-1010)
1
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54
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37
(NC)
S
25
S
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S
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S
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S
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S
20
S
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S
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S
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S
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S
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S
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S
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S
11
S
10
(NC)
19 20 21 22 23 24 25 26 27 28 29 30 31 32 33
G
1
72 71 70 69 68 67 66 65 64 63 62 61 60 59 58
34 35 36
S
7
S
8
57 56 55
V
O
R
V
D
C
2
C
1
T
S
0
S
1
G
S
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S
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S
4
S
5
S
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S
9
(
V
O
O
O
I
V
H
0
H
1
H
2
H
3
G
S
3
S
3
S
3
S
3
S
2
S
2
S
2
S
2
INTA
(NC)
P0
0
P0
1
P0
2
P0
3
P1
0
P1
1
P1
2
P1
3
P2
0
P2
1
P2
2
T
F
VOICE
VR
V
DD
SM5M2
4-Bit Single-Chip Microcomputer
(LCD Driver)
72-PIN QFP
TOP VIEW
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