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參數(shù)資料
| 型號(hào)： | KS0676 |
| 廠商： | SAMSUNG SEMICONDUCTOR CO. LTD. |
| 英文描述： | 6 BIT 480 CHANNEL TFT-LCD SOURCE DRIVER |
| 中文描述： | 6通道480位的TFT - LCD源驅(qū)動(dòng) |
| 文件頁(yè)數(shù)： | 8/19頁(yè) |
| 文件大?。?/td> | 188K |
| 代理商： | KS0676 |
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KS0676
6 BIT 480 CHANNEL TFT-LCD SOURCE DRIVER
8
OPERATION DESCRIPTION
DISPLAY DATA TRANSFER
When DIO1 (or DIO2) pulse is loaded into internal latch on the rising edge of CLK2, DIO1 (or DIO2) pulse
enables the operation of data transfer, so data-display is valid on the next rising edge of CLK2. Once all the
data of 480 channels are loaded into internal latch, it goes into stand-by state automatically, and any new data
is not accepted even though CLK2 is provided until next DIO1 (or DIO2) input. When next DIO1 (or DIO2) is
provided, new data-display is valid on the 2nd rising edge of CLK2 after the rising edge of DIO1 (or DIO2).
EXTENSION OF OUTPUT
Output pin can be adjusted for an extended screen by cascade connection.
(1) SHL = "L"
Connect DIO1 pin of previous stage to the DIO2 pin of next stage and all the input pins
except DIO1 and DIO2 are connected together in each device.
(2) SHL = "H"
Connect DIO2 pin of previous stage to the DIO1 pin of next stage and all the input pins
except DIO2 and DIO1 are connected together in each device.
RELATIONSHIP BETWEEN INPUT DATA VALUE AND OUTPUT VOLTAGE
The LCD drive output voltages are determined by the input data and 10 (5 by 2) gamma corrected power
supplies (VGMA1 - VGMA10). Besides, to be able to deal with dot line inversion when mounted on a single-
side, gradation voltages with different polarity can be output to the odd number output pins and the even
number output pins. Among 5-by-2 gamma corrected voltages, 5 input gray-scale voltages have the same
polarity with respect to the common voltage, VGMA1 - VGMA5 and VGMA6 - VGMA10 respectively.
SHL = H
Y1
Y2
Y3
Y478
Y479
Y480
D00 - D05 D10 - D15 D20 - D25
D30 - D35 D40 - D45 D50 - D55
DATA
Last First
......
......
OUTPUT
First Last
-
SHL = L
Y1
Y2
Y3
Y478
Y479
Y480
D00 - D05 D10 - D15 D20 - D25
D30 - D35 D40 - D45 D50 - D55
DATA
......
......
OUTPUT
-
Figure 3. Relationship between Shift Direction and Output Data
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