SL20T0081 System Logic Semiconductor, SL20T0081 Datasheet - Page 37
SL20T0081
Manufacturer Part Number
SL20T0081
Description
SLS System Logic Semiconductor
Manufacturer
System Logic Semiconductor
Datasheet
1.SL20T0081.pdf
(56 pages)
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SLS System Logic Semiconductor
Common Output Direction (COD) set
Power Control
supply functions can be used simultaneously.
Regulator Resistor Select
power supply circuit. Refer to the table 15.
COM output scanning direction is selected by this instruction which determines the LCD driver output status.
Selects one of eight power circuit functions by using 3-bit register. An external power supply and part of internal power
Selects resistance ratio of the internal resistor used in the internal voltage regulator. See voltage regulator section in
COD = 0: normal direction ( COM0 COM79 )
COD = 1: reverse direction ( COM79 COM0 )
RS
RS
VC
RS
R2
0
0
0
0
1
0
0
0
0
1
1
1
1
RW
RW
RW
VR
R1
0
1
0
0
0
1
0
0
1
0
0
1
1
D7
D7
VF
D7
R0
0
0
1
1
0
0
1
0
1
0
1
1
0
1
D6
D6
D6
1
0
0
D5
D5
D5
0
1
1
Status of internal power supply circuits
Internal voltage converter circuit is OFF
Internal voltage converter circuit is ON
Internal voltage converter circuit is OFF
Internal voltage converter circuit is ON
Internal voltage converter circuit is OFF
Internal voltage converter circuit is ON
D4
D4
D4
0
0
0
(1+ Rb / Ra) ratio
5.0 (default)
SHL
D3
D3
D3
3.0
3.5
4.0
4.5
5.5
6.0
6.4
1
0
D2
D2
VC
D2
R2
x
SL20T0081
D1
D1
VR
D1
R1
x
X: Don’t care
D0
D0
VF
D0
R0
x
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