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參數(shù)資料
| 型號(hào)： | WFP6522 |
| 廠商： | WINBOND ELECTRONICS CORP |
| 元件分類： | 顯示驅(qū)動(dòng)器 |
| 英文描述： | 6-Bit 6.5 Volt Source Driver For LCD Column Driving Applications(用于液晶顯示縱列的6位的模擬輸入電壓為6.5V的信號(hào)源驅(qū)動(dòng)器) |
| 中文描述： | LIQUID CRYSTAL DISPLAY DRIVER, UUC229 |
| 封裝： | DIE-229 |
| 文件頁(yè)數(shù)： | 8/16頁(yè) |
| 文件大?。?/td> | 305K |
| 代理商： | WFP6522 |
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May 11, 1999
Rev. 1.0
8
WFP6522
6-Bit 6.5 Volt Source Driver
V
S1
-V
S192
36-227
O
VOLTAGE OUTPUTS:
D/A outputs. Output voltage per
Table 4-2.
D
05
-D
00
D
15
-D
10
D
25
-D
20
27-32
8-13
2-7
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,
which may be 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
33
I
LATCH PULSE
: On the ‘low’-to-‘high’ transition on the LP
input, the data is loaded from the Input Register into the
Storage Register, all 192 D/A outputs are updated simulta-
neously, and EIO1(2)# outputs are reset to the ‘high’ level.
DCLK
14
I
DATA CLOCK
: The DCLK synchronizes the 18-bit (three 6-
bit channels) data word sampling, and synchronizes the
internal control logic of the WFP6522. All data is sampled on
the ‘high’-to-‘low’ transition of DCLK. Please refer to
Sec-
tion 5.0 Electrical-Specification
for the DCLK, LP and
Data setup and hold-time relationships.
V
DDD
15
I
DIGITAL SUPPLY VOLTAGE
: 3.3 +/- 0.3 or or 5.0 +/- 0.5
Volt operation is specified.
V
DDA
16
I
ANALOG SUPPLY VOLTAGE
: Up to 6.5 Volts may be
applied to this pin to supply the voltage for the resistive-
string DAC and the output drivers.
V
8
V
7
V
6
V
5
V
4
V
3
V
2
V
1
V
0
21
23
19
25
17
18
24
20
22
I
REFERENCE ANALOG VOLTAGE INPUTS:
These
nine inputs are used to supply the adjustable-reference volt-
age inputs to the resistive-string DAC to provide the trans-
missivity-voltage response required for each type of LCD
panel.
GND
26
I
GROUND
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