S6A0090 データシートの表示（PDF） - Samsung
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S6A0090 Datasheet PDF : 54 Pages
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64 SEG / 26 COM DRIVER & CONTROLLER FOR STN LCD
S6A0090
PIN DESCRIPTION
POWER SUPPLY
Name
VDD
VSS
V0
V1
V2
V3
V4
I/O
Power
I/O
Table 3. Pin Description
Description
Power supply
Connect to MPU power supply pin
0V (GND)
Bias voltage level for LCD driving
Voltages should have the following relationship;
V0 ≥ V1 ≥ V2 ≥ V3 ≥ V4 ≥ VSS
When the built-in power circuit is on, the following voltages are given to pins V1
to V4 by internal 1/5 bias resistors are used.
LCD bias
(1/5) bias
V1
V2
V3
V4
(4/5) x V0 (3/5) x V0 (2/5) x V0 (1/5) x V0
LCD DRIVER SUPPLY
Name
I/O
CAP1+
O
CAP1-
O
CAP2+
O
CAP2–
O
VOUT
I/O
VR
I
Table 3. Pin Description (continued)
Description
Capacitor 1+ connecting pin for the internal voltage converter
This pin connects the capacitor with CAP1-.
Capacitor1- connecting pin for the internal voltage converter
This pin connects the capacitor with CAP1+.
Capacitor 2+ connecting pin for the internal voltage converter
When VOUT is 2 times boosting, this pin connects the capacitor with VDD,
when 3 times boosting, this pin connects the capacitor with CAP2-
Capacitor2- connecting pin for the internal voltage converter
When VOUT is 2 times boosting, this pin is not used, when 3 times boosting,
this pin connects the capacitor with CAP2+
2 or 3 times DC/DC voltage converter output
This pin connects a capacitor with VDD pin.
Voltage adjust pin
This pin gives a voltage between V0 and VSS by resistance-division of voltage.
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