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參數(shù)資料
| 型號(hào)： | S-4520BA |
| 廠商： | Seiko Instruments Inc. |
| 英文描述： | Dot Matrix LCD Driver(點(diǎn)陣LCD驅(qū)動(dòng)器) |
| 中文描述： | 點(diǎn)陣LCD驅(qū)動(dòng)器（點(diǎn)陣液晶驅(qū)動(dòng)器） |
| 文件頁(yè)數(shù)： | 3/23頁(yè) |
| 文件大?。?/td> | 160K |
| 代理商： | S-4520BA |
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DOT MATRIX LCD DRIVER
S-4520BA
2
Seiko Instruments Inc.
Terminal Description
Operating Frequency
Table 2
Operating frequency
Segment
driver
Common
driver
Note
Internal osc.
18 kHz
External clock
18 kHz
61
16
External clock is used only in slave
mode
Pin No.
78
87
90 to 95
Name
V
SS
V
DD
V
5
to V
1
Description
Negative power supply
Positive power supply
LCD drive power supply. Apply correct voltage to each terminal according to this order
: V
DD
≥
V
1
≥
V
2
≥
V
3
≥
V
4
≥
V
5
Display data/display command switching input. Normally connect the last bit of MPU
address bus.
A
0
= “0”: D
0
to D
7
are command inputs and status outputs.
A
0
= “1”: D
0
to D
7
are display data inputs/outputs.
CR oscillation circuit input . Connect R
f
in master operation. NC in slave operation.
[Note]
In 80 family, RDX and WRX are each OR’ed with CSX.
In 68 family, E is ANDed with the invert of CSX.
CR oscillation circuit output or display clock input .
Master operation: CR oscillation circuit output. Connect R
.
Slave operation: Display clock input. Connect OSC
2
of the master IC.
Enable clock signal input (68 family MPU). Active “ H”.
Read signal input (80 family MPU). Active “ L”. RDX “L” puts the data bus in output
status.
Read/write signal input (68 family MPU).
R/WX= “H”: Read
R/WX= “L”: Write
Write signal input (80 family MPU). Active “ L”.
3-state input/output. 8-bit bidirectional data bus connection pins.
Interface mode selection and reset. The S-4520BA is reset at the rising and falling
edge of RESX signal. Interface mode is selected by RESX level after the S-4520BA is
reset.
RESX= “H”
: 68 family interface
RESX= “L”
: 80 family interface
Alternating signal input/output.
M/S= “H”: FR signal output
M/S= “L”: FR signal input
Mode selection.
M/S= “H”: Master mode
M/S= “L”: Slave mode
73
A
0
OSC
1
OSC
2
E
RDX
R/WX
WRX
D
0
to D
7
79 to 86
88
RESX
89
FR
93
M/S
12 to 72
SEG
60
to SEG
0
Segment drive output.
Common drive output (master mode).
Outputs from COM
0
to COM
15
. Scans from pin No.96
→
100
→
1
→
11.
Common drive output (slave mode).
Outputs from COM
16
to COM
31
. Scans from pin No.11
→
1
→
100
→
96.
COM
0
to COM
15
COM
31
to COM
16
Table 1
74
75
76
77
96 to 100
1 to 11
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| S-4525BACA | DOT MATRIX LCD DRIVER |
| S-4525BACG | DOT MATRIX LCD DRIVER |
| S-4525BA | Dot Matrix LCD Driver(點(diǎn)陣LCD驅(qū)動(dòng)器) |
| S-4543A | Dot Matrix LCD Driver(點(diǎn)陣LCD驅(qū)動(dòng)器) |
| S-4544A | LCD Controller-Driver With Built-in 8-Bit and Serial Interfaces(內(nèi)置8位和串行接口的LCD控制器-驅(qū)動(dòng)器) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| S-4520BACA | 制造商:SII 制造商全稱(chēng):Seiko Instruments Inc 功能描述:DOT MATRIX LCD DRIVER |
| S-4520BACG | 制造商:SII 制造商全稱(chēng):Seiko Instruments Inc 功能描述:DOT MATRIX LCD DRIVER |
| S4520C | 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:30-VOLT DICHROIC LCD DRIVER |
| S4520D | 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:30-VOLT DICHROIC LCD DRIVER |
| S4520E | 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:30-VOLT DICHROIC LCD DRIVER |
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