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参数资料
| 型号： | WFP7151 |
| 厂商： | WINBOND ELECTRONICS CORP |
| 元件分类： | 显示驱动器 |
| 英文描述： | LIQUID CRYSTAL DISPLAY DRIVER, UUC257 |
| 封装： | TCP-257 |
| 文件页数： | 7/27页 |
| 文件大小： | 231K |
| 代理商： | WFP7151 |
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Preliminary WFP7151
Publication Release Date: July 9, 2001
- 15 -
Revision A1
6.1 Pin Functions (Common mode), continued
CLASSIFICATION
SYMBOL
NAME
INPUT/
OUTPUT
FUNCTION
Control Signal
DISPOFF
Display
Off
Input
Control input pin for output deselect level
(1) The input signal is level-shifted from logic
voltage level to LCD drive voltage level and
controls LCD drive circuit
(2) Set to Vss, LCD drive output pins are set to
Vss
(3) Set to Vss, the contents of the line latch are
reset, but read the display data in the data
latch regardless of condition of DISPLAY,
When DISPLAY function is cancelled, the
driver outputs deselect level (V12 or V34), then
outputs the contents of the data latch on the
next falling edge of the LP, That time if
DISPLAY removal time can not keep regulation
what is shown AC characteristics, can not
output the reading data correctly.
Control Signal
EIO1
Enable
I/O
Input/
Output
Bidirectional shift register shift data input/output
pin
Input pin for right shift, output pin for left shift
When EIO1 is used as input pin for right shift, it
will be pull-down
When EIO1 is used as output pin for left shift, it
won’t be pull-down
Control Signal
EIO2
Enable
I/O
Input/
Output
Bidirectional shift register shift data input/output
pin
Input pin for left shift, output pin for right shift
When EIO2 is used as input pin for left shift, it will
be pull-down
When EIO2 is used as output pin for right shift, it
won’t be pull-down
Control Signal
SorC
Mode
Select
Input
Segment mode/common mode selection pin
Set SorC = Vss, "L", common mode is set
LCD driver output
Y1-Y160
Y1...
Y160
Output
LCD segment driver output pins
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