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參數(shù)資料
| 型號(hào)： | 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(dòng)STN液晶顯示器 |
| 文件頁(yè)數(shù)： | 27/31頁(yè) |
| 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
27
PRECAUTION
. Precaution when Connecting or Disconnecting the Power
This LSI has a high-voltage LC driver, so it may be permanently damaged by a high current
which may flow if a voltage is supplied to the LC driver power supply while the logic system
power supply is floating.
The detail is as follows.
. When connecting the power supply, connect the LC drive power after connecting the logic
system power. Furthermore, when disconnecting the power, disconnect the logic system
power after disconnecting the LC driver power.
. We recommend you connecting the serial resistor (50~100
) or fuse to the LC drive power
V
0
of the system as a current limiter. And set up the suitable of the resistor in consideration of
LC display grade.
And when connecting the logic power supply, the logic condition of this LSI inside is
insecurity. Therefore connect the LC driver power supply after resetting logic condition of this
LSI inside on DISPOFFB function. After that, cancel the DISPOFFB function after the LC
driver power supply has become stable. Furthermore, when disconnecting the power, set the
LC drive output pins to level V
5
on DISPOFFB function. After that, disconnect the logic
system power after disconnecting the LC drive power.
When connecting the power supply, show the following recommend sequence.
V
DD
DISPOFFB
V
0
V
DD
V
SS
V
SS
V
DD
V
0
V
SS
Figure 5. Connecting the Power Supply
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