參數(shù)資料
型號： KS0759
廠商： SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述： 81 COM / 128 SEG DRIVER & CONTROLLER FOR STN LCD
中文描述： 81的COM / 128賽格驅(qū)動
文件頁數(shù)： 11/67頁
文件大?。?/td> 580K
代理商： KS0759
KS0759 PRELIMINARY SPEC. VER. 0.2
81 COM / 128 SEG DRIVER & CONTROLLER FOR STN LCD
7
PIN DESCRIPTION
POWER SUPPLY
Table 2. Power Supply Pins
Name
I/O
Description
VDD
Supply
Power supply
VSS
Supply
Ground
LCD driver supplies 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
≥
V
SS
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/N bias
(N-1) / N x V0
(N-2) / N x V0
NOTE: N = 4 to 11
V3
V4
(2/N) x V0
(1/N) x V0
V0
V1
V2
V3
V4
I/O
LCD DRIVER SUPPLY
Table 3. LCD Driver Supply Pins
Name
I/O
Description
C1-
O
Capacitor 1 negative connection pin for voltage converter
C1+
C2-
C2+
C3+
C4+
C5+
VOUT
O
O
O
O
O
O
I/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
Capacitor 5 positive connection pin for voltage converter
Voltage converter input / output pin
Voltage converter input voltage pin
Voltages should have the following relationship: VDD
≤
VCI
≤
V0
V0 voltage adjustment pin
It is valid only when on-chip resistors are not used (INTRS = "L")
Selects the external VREF voltage via VEXT pin
REF = "L": using the external VREF
REF = "H": using the internal VREF
Externally input reference voltage (VREF) for the internal voltage regulator
It is valid only when REF is "L".
VCI
I
VR
I
REF
I
VEXT
I
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