S6B0721X11-XXX0 查看數據表（PDF） - Samsung
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S6B0721X11-XXX0 Datasheet PDF : 67 Pages
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S6B0721
PRELIMINARY SPEC. VER. 0.1
132 SEG / 65 COM DRIVER & CONTROLLER FOR STN LCD
PIN DESCRIPTION
POWER SUPPLY
Table 3. Power Supply Pin Description
Name
I/O
Description
VDD Supply Power supply
VSS
V0
V1
V2
V3
V4
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.
I/O
LCD bias
1/9 bias
V1
(8/9) x V0
V2
(7/9) x V0
V3
(2/9) x V0
V4
(1/9) x V0
1/8 bias
(7/8) x V0
(6/8) x V0
(2/8) x V0
(1/8) x V0
1/7 bias
(6/7) x V0
(5/7) x V0
(2/7) x V0
(1/7) x V0
1/6 bias
(5/6) x V0
(4/6) x V0
(2/6) x V0
(1/6) x V0
1/5 bias
(4/5) x V0
(3/5) x V0
(2/5) x V0
(1/5) x V0
LCD DRIVER SUPPLY
Table 4. LCD Driver Supply Pin Description
Name
I/O
Description
C1-
C1+
C2-
C2+
C3-
C3+
VOUT
DCDC5B
VR
O Capacitor 1 negative connection pin for voltage converter
O Capacitor 1 positive connection pin for voltage converter
O Capacitor 2 negative connection pin for voltage converter
O Capacitor 2 positive connection pin for voltage converter
O Capacitor 3 negative connection pin for voltage converter
O Capacitor 3 positive connection pin for voltage converter
I/O Voltage converter input / output pin
5 times boosting circuit enable input pin
I When this pin is low in 4 times boosting circuit, the 5-times boosting voltage appears at
VOUT.
I
V0 voltage adjustment pin
It is valid only when on-chip resistors are not used (INTRS = “L”).
7
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