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參數(shù)資料
| 型號(hào)： | T6LD4 |
| 廠商： | Toshiba Corporation |
| 英文描述： | Gate Driver for TFT LCD Panels |
| 中文描述： | 門驅(qū)動(dòng)TFT液晶面板 |
| 文件頁數(shù)： | 4/11頁 |
| 文件大小： | 147K |
| 代理商： | T6LD4 |
T6LD4
2006-09-20
4
Pin Description
Signal Name
I/O
Function
DI/O
DO/I
I/O
Vertical shift data input/output pins
These pins are used to input and output shift data. The function of these pins is switched for input or output
by U/D as shown below:
U/D
DI/O
DO/I
H
Input
Output
L
Output
Input
When set for input
The data is latched into the internal shift registers synchronously with the rising edge of CPV.
When set for output
When two or more T6LD4s are cascaded, this pin outputs the data to be fed into the next stage. This
data changes state synchronously with the falling edge of CPV.
U/D
I
Transfer direction select pin
This pin specifies the direction in which data is transferred through the shift registers.
The shift register data is shifted synchronously with each rising edge of CPV as follows:
When U/D is high, data is shifted in the direction
U/D
=
“H”: G1
→
G2
→
G3
→
G4
→
···
→
G350
When U / D is low, the direction is reversed to give
U/D
=
“L”: G350
→
G349
→
G348
→
G347
→
···
→
G1
The voltage applied to this pin must be a DC-level voltage that is either high (V
DD
) or low (V
SS
).
Apply the same DC-level voltage to these pins.
CPV
I
Vertical shift clock pin
This is the shift clock for the shift registers. Data is shifted through the shift registers synchronously with
the rising edge of CPV.
OE
I
Output enable pin
This signal controls the data appearing at the TFT -LCD panel drive pins (G1 to G350).
This pin operates asynchronously with CPV.
OE
=
high level : controls the LCD panel drive output to V
EE
OE
=
low level : outputs shift data and data contents.
MODE
I
Output select pin
This signal selects 350 / 342-pin mode for the LCD panel driver.
MODE
Output mode
The unapplied LCD panel drive pins
H
350-out
L
342-out
G171 to G178 (V
EE
level)
The voltage applied to this pin must be a DC -level voltage that is either high (V
DD
) or low (V
SS
).
G1 to G350
O
TFT-LCD panel driver pins
These pins output the shift register data or the voltage of V
GG
or V
EE
depending on the control OE
signal.
V
GG
Power supply for TFT-LCD drive pin
V
EE
Power supply for TFT-LCD drive pin
V
DD
Power supply for the internal logic pin
These signals arranged right and left is connected on the film.
Apply the same voltage to these pins. The (V
DD
) is the pin for connection.
V
SS
Power supply for the internal logic pin
These signals arranged right and left is connected on the film.
Apply the same voltage to these pins. The (V
SS
) is the pin for connection.
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