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參數(shù)資料
| 型號： | KS0724 |
| 廠商： | SAMSUNG SEMICONDUCTOR CO. LTD. |
| 英文描述： | 65 COM / 132 SEG DRIVER & CONTROLLER FOR STN LCD |
| 中文描述： | 65的COM / 132賽格驅(qū)動 |
| 文件頁數(shù)： | 12/66頁 |
| 文件大小： | 899K |
| 代理商： | KS0724 |
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65 COM / 132 SEG DRIVER & CONTROLLER FOR STN LCD PRELIMINARY SPEC. VER. 0.8 KS0724
8
PIN DESCRIPTION
POWER SUPPLY
Table 3. Power Supply Pins Description
Name
I/O
Description
VDD
Supply
Power supply
VSS
Supply
Ground
LCD driver supply voltages
The voltage determined by LCD pixel is impedance-converted by an operational amplifier
for application.
Voltages should have the following relationship;
V0
≥
V1
≥
V2
≥
V3
≥
V4
≥
VSS
When the internal power circuit is active, these voltages are generated as following table
according to the state of LCD bias.
LCD bias
V1
V2
1/9 bias
(8/9) x V0
(7/9) x V0
1/8 bias
(7/8) x V0
(6/8) x V0
1/7 bias
(6/7) x V0
(5/7) x V0
1/6 bias
(5/6) x V0
(4/6) x V0
1/5 bias
(4/5) x V0
(3/5) x V0
V3
V4
(2/9) x V0
(2/8) x V0
(2/7) x V0
(2/6) x V0
(2/5) x V0
(1/9) x V0
(1/8) x V0
(1/7) x V0
(1/6) x V0
(1/5) x V0
V0
V1
V2
V3
V4
I/O
LCD DRIVER SUPPLY
Table 4. LCD Driver Supply Pins Description
Name
I/O
Description
C1-
O
Capacitor 1 negative connection pin for voltage converter
C1+
C2-
C2+
C3+
C4+
O
O
O
O
O
Capacitor 1 positive connection pin for voltage converter
Capacitor 2 negative connection pin for voltage converter
Capacitor 2 positive connection pin for voltage converter
Capacitor 3 positive connection pin for voltage converter
Capacitor 4 positive connection pin for voltage converter
Voltage converter input / output pin
Connect this pin to V
SS
through capacitor.
V0 voltage adjustment pin
It is valid only when internal voltage regulator resistors are not used (INTRS = "L").
This is the reference voltage for the voltage converter circuit for the LCD drive.
Whether internal voltage converter use or not use, this pin should be fixed.
The voltage should have the following range: 2.4V
≤
VCI
≤
3.6V
This is the externally input reference voltage (V
REF
) for the internal voltage regulator.
It is valid only when external V
REF
is used (REF = "L").
When using internal V
REF,
this pin is Open
Select the external V
REF
voltage via VEXT pin
REF = "L": using the external V
REF
REF = "H": using the internal V
REF
VOUT
I/O
VR
I
VCI
I
VEXT
I
REF
I
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