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参数资料
| 型号： | WFP7152 |
| 厂商： | WINBOND ELECTRONICS CORP |
| 元件分类： | 显示驱动器 |
| 英文描述： | LIQUID CRYSTAL DISPLAY DRIVER, UUC304 |
| 封装： | TCP-304 |
| 文件页数： | 7/33页 |
| 文件大小： | 446K |
| 代理商： | WFP7152 |
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Preliminary WFP7152
Publication Release Date: July 6, 2001
- 15 -
Revision A1
6.1 Pin Functions (Segment mode), continued
CLASSIFICATION
SYMBOL
NAME
INPUT/
OUTPUT
FUNCTION
Control Signal
FR
AC
Control
Input
AC signal input for LCD driving waveform
The input signal is level-shifted from logic
voltage level to LCD drive voltage level, and
controls LCD drive circuit
Normally inputs a frame inversion signal
The LCD driver output pin’s output voltage level
can be set using the line latch output signal and
the FR signal.
Trueth table shown in Table 6-1
Control Signal
DISPOFF
Display
Off
Input
Control input pin for output deselect level
The input signal is level-shifted from logic
voltage level to LCD drive voltage level and
controls LCD drive circuit
Set to Vss, LCD drive output pins are set to V5.
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
EIO2
Enable
I/O
Input/
Output
Chip selecting enable or providing chip selecting
signal
(1) Set L/R = Vss, EIO1 is output, EIO2 is input
(2) Set L/R = VDD, EIO1 is input, EIO2 is output
(3) During output set to "H", while LP*XCK is "H"
and after 160-bits of data have been read,
set to "L" for one cycle (from falling edge to
falling edge of XCK). After which is return to
"H".
(4) During input, after the LP signal is input, the
chip is selected while EI is set to "L", After
160-bits of data have been read, the chip is
deselected.
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