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參數(shù)資料
| 型號(hào)： | LC7940YC |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | Dot-matrix LCD Drivers |
| 中文描述： | 點(diǎn)陣式液晶顯示驅(qū)動(dòng)器 |
| 文件頁(yè)數(shù)： | 5/11頁(yè) |
| 文件大小： | 243K |
| 代理商： | LC7940YC |
LC7940YD, LC7941YD
No. 6158—5/11
Block Diagram
Pin Functions
4 Level LCD Drive Circuit
(80 bits)
Level Shifter (80 bits)
2nd Latch (80 bits)
1st Latch (80 bits)
Address Decoder
4 bits
Data Bus
Interface
Address Counter
(7 bits)
Chip Disable &
Latch Control
SER/PAR
Control
CLK
80
80
80
20
4
V1
01
02
03
079 080
V3
V4
M
SDI
DI3
DI2
DI1
P/S
CDO
DISP OFF
V
SS
V
DD
CDI
CP
LOAD
V
EE
Pin No.
Synbol
I/O
Functions
LC7940YD
LC7941YD
91
90
V
DD
Supply
V
DD
– V
SS
is the logic supply.
V
DD
– V
EE
is the LCD supply.
86
95
V
SS
87
94
V
EE
92
89
V
1
Supply
LCD panel drive voltage supplies
V
1
and V
EE
are selected levels.
V
3
and V
4
are not–selected levels.
89
92
V
3
88
93
V
4
l00
81
CP
I
Display data Input clock (falling–edge trigger).
99
82
CDI
I
Chip disable.
Data is read in when LOW, and not road in when HIGH.
98
83
LOAD
I
Display data latch clock (falling–edge trigger).
On the falling edge, the LCD drive signals set by the display data are output.
97
84
SDI
I
Serial data input.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LC7940ND | Dot-Matrix LCD Driver |
| LC7941ND | Dot Matrix LCD Driver(點(diǎn)陣LCD驅(qū)動(dòng)器) |
| LC7941YC | Dot-matrix LCD Drivers |
| LC7941YD | Dot Matrix LCD Driver(點(diǎn)陣LCD驅(qū)動(dòng)器) |
| LC7942KD | CMOS IC Dot-Matrix LCD Drivers |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LC7940YD | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Dot-matrix LCD Drivers |
| LC7941A | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
| LC7941KDR | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:CMOS IC Dot-Matrix LCD Drivers |
| LC7941ND | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Dot-Matrix LCD Driver |
| LC7941YC | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Dot-matrix LCD Drivers |
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