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參數(shù)資料
| 型號： | S6C0657 |
| 廠商： | SAMSUNG SEMICONDUCTOR CO. LTD. |
| 英文描述： | 263 / 256 CHANNEL TFT-LCD GATE DRIVER |
| 中文描述： | 256分之263通道的TFT - LCD柵極驅(qū)動器 |
| 文件頁數(shù)： | 12/15頁 |
| 文件大小： | 116K |
| 代理商： | S6C0657 |
S6C0657
263 / 256 CHANNEL TFT-LCD GATE DRIVER
12
OPERATION DESCRIPTION
OPERATION METHOD
The start pulse input, DI/O (when U/D is “H”) or DO/I (when U/D = “L”), is synchronized with the rising edge of
CPV and stored in the first shift register. While stored pulse is transferred to the next register at the next rising
edge of CPV, a new pulse is stored simultaneously. Output pin (G1 to G263) supplies VGG voltage or VOFF
voltage to the TFT-LCD panel depending on the pulse of the shift register.
The start pulse output, DO/I (when U/D is “H”) or DI/O (when U/D = “L”), is synchronized with the falling edge of
CPV and the pulse of the last register (G1 or G263) is transferred to the next IC. The voltage level of the start
pulse output is VDD with “H” data, VOFF with “L” data
The relationship between U/D and shift data input / out pin is as follows:
Table 5. The Relationship between U/D and the Start Pulse Input / Output
Shift data
Input
DI/O
DO/I
DI/O
DO/I
Output level
OE = L
Mode
U/D
state
Output
DO/I
DI/O
DO/I
DI/O
Data transfer direction
OE = H
“H”
“L”
“H”
“L”
G1
→
G2
→
G3
→
G4
→
G5
→……→
G263
G263
→
G262
→
G261
→
G260
→……→
G1
G1
→
G2
→……→
G128
→
G136
→……→
G262
→
G263
G263
→
G262
→……→
G136
→
G128
→……→
G2
→
G1
263
output
256
output
Normal
(VGG /
VOFF)
Disable
(VOFF)
OUTPUT PIN (G1 TO G263)
If the data of the shift register to an output drive pin is “H”, the voltage level of the output is VGG and if the data
is “L”, the level of the output is VOFF. But, when OE is “H”, the voltage level of the output is VOFF irrespective of
the data of the shift register.
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