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參數(shù)資料
| 型號： | KS0794 |
| 廠商： | SAMSUNG SEMICONDUCTOR CO. LTD. |
| 英文描述： | 160 COM / 160 SEG DRIVER FOR STN LCD |
| 中文描述： | 160的COM / 160賽格驅(qū)動STN液晶顯示器 |
| 文件頁數(shù)： | 11/31頁 |
| 文件大?。?/td> | 268K |
| 代理商： | KS0794 |
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KS0794 PRELIMINARY SPEC. VER. 1.1 160 COM / SEG DRIVER FOR STN LCD
11
PIN FUNCTION
Segment Mode
Symbol
V
DD
V
SS
Function
Logic system power supply pin connects to +2.4 to +5.5V
Ground pin connects to 0 V
Power supply pin for LC driver voltage bias.
. Normally, the bias voltage used is set by a resistor divider.
. Ensure that voltage are set such that V
SS
<V
43
<V
12
<V
0
.
. To further reduce the difference between the output waveforms of LC driver
output pins Y
1
and Y
160
, externally connect V
iR
and V
iL
(I = 0, 12, 43)
Input pin for display data
. In 4-bit parallel input mode, input data into the 4 pins DI
0
- DI
3
.
Connect DI
4 -
DI
7
to V
SS
or V
DD
.
. In 8-bit parallel input mode, input data into the 8 pins DI
0
- DI
7
.
Clock input pin for taking display data
. Data is read on the falling edge of the clock pulse.
Latch pulse input pin for display data
. Data is latched on the falling edge of the clock pulse.
Direction selection pin for reading display data
. When set to V
SS
level “L”, data is read sequentially from Y
160
to Y
1
.
. When set to V
DD
level H”, data is read sequentially from Y
1
to Y
160
.
Control input pin for output deselect level
. The input signal is level-shifted from logic voltage level to LC drive voltage
level, and controls LC drive circuit.
. When set to V
SS
level “L”, the LC drive output pins (Y
1
- Y
160
) are set to level
V
SS
.
. While set to “L”, the contents of the line latch are reset, but read the display
data in the data latch regardless of condition of DISPOFFB.
When the DISPOFFB function is canceled, the driver outputs deselect level
(V
12
or V
43
), then outputs the contents of the data latch on the next falling
edge of the LP. That time, if DISPOFFB removal time can not keep
regulation what is shown AC characteristics (page 21), can not output the
reading data correctly.
V
0R
, V
0L
V
12R
, V
12L
V
43R
, V
43L
DI
0
– DI
7
XCK
LP
L/R
DISPOFFB
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