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參數資料
| 型號： | WFP6462 |
| 廠商： | WINBOND ELECTRONICS CORP |
| 元件分類： | 顯示驅動器 |
| 英文描述： | 300-Channel,6-Bit Dot Inversion Singal Driver for TFT-LCD Applications(用于TFT型液晶顯示器的300通道的，6點式反向信號驅動器) |
| 中文描述： | LIQUID CRYSTAL DISPLAY DRIVER, UUC355 |
| 封裝： | DIE-355 |
| 文件頁數： | 12/23頁 |
| 文件大小： | 365K |
| 代理商： | WFP6462 |
12
November 12, 1999
Rev. 0.03
WFP6462
300-Channel 6-Bit Dot Inversion Driver
Name
Pad #
Type
Description
(Cont.)
V
S1
-V
S300
see Table 3-2
O
VOLTAGE OUTPUTS
: These outputs drive all 300 pixel
inputs of the LCD simultaneously after the high-to-low tran-
sition of LP.
Outputs are high impedance while LP is high
.
D
05
-D
00
D
15
-D
10
D
25
-D
20
39,40,47-50
15-17,36-38
2-4,12-14
I
DATA
: The Data inputs consist of 6-bit words for each of
three channels. At the falling edge of DCLK, three 6-bit
words for three adjacent channels are loaded in parallel.
Each data bit is represented as Dij where:
i = 2-0 indicates the channel
j = 5-0 indicates the significance of the bit in each word.
D
i5
indicates the MSB and D
i0
indicates the LSB of the input
word.
LP
46
I
Latch Pulse
: When LP is driven high, the data is transferred
from the Input Register into the Storage Register, and the
selected analog voltages drive the LCD. Also, the EIOx#
output is reset to the ‘high’ level.
DCLK
6
I
DATA CLOCK
: Data is loaded into the input registers on the
high-to-low transition of DCLK for 2xCLK= low and on both
rising and falling edges of the DCLK input for 2xCLK = high.
OV
8
OV
7
OV
6
OV
5
OV
4
OV
3
OV
2
OV
1
OV
0
9,44
32
29
30
28
31
27
33
8,45
I
ODD REFERENCE VOLTAGE INPUTS:
These 9 inputs
supply the reference voltage inputs to the r-string DAC
for the odd channels VS
1
, VS
3
, ..VS
299
Note: both OV
8
inputs must be connected to each other
and to the same potential; also, both OV
0
inputs must be .
connected to each other and to the same potential
EV
8
EV
7
EV
6
EV
5
EV
4
EV
3
EV
2
EV
1
EV
0
10,43
21
24
23
25
22
26
20
11,42
I
EVEN REFERENCE VOLTAGE INPUTS:
These 9 inputs
supply the reference voltage inputs to the r-string DAC
for the even channels VS
2
, VS
4
, ..VS
300
Note: both EV
8
inputs must be connected to each other
and to the same potential; also, both EV
0
inputs must be .
connected to each other and to the same potential
V
DDD
18
I
DIGITAL SUPPLY VOLTAGE
: 2.5 V ± 0.2 or 3.3 V ± 0.3
should be provided on this pin to supply digital power to the
device.
V
DDA
19
I
ANALOG SUPPLY VOLTAGE
: Up to 5.5 V should be pro-
vided on this pin to supply analog power to the device.
Also,
must have V
DDA
>= V
DDD
.
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