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ST7787 Datasheet(PDF) 130 Page - Sitronix Technology Co., Ltd.

Part # ST7787
Description  262K Color Single-Chip TFT Controller/Driver
PDF  217 Pages
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Manufacturer  SITRONIX [Sitronix Technology Co., Ltd.]
Direct Link  http://www.sitronix.com.tw
Logo SITRONIX - Sitronix Technology Co., Ltd.

ST7787 Datasheet(HTML) 130 Page - Sitronix Technology Co., Ltd.

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ST7787
Ver. 1.7
2008.04.18
130
10.1.17 GAMSET (26h): Gamma Set
26H
GAMSET (Gamma Set)
Inst / Para
D/CX
WRX
RDX
D17-8
D7
D6
D5
D4
D3
D2
D1
D0
(Code)
GAMSET
0
↑
1
-
0
0
1
0
0
1
1
0
(26h)
1
st Parameter
1
↑
1
-
GC7
GC6
GC5
GC4
GC3
GC2
GC1
GC0
NOTE: “-” Don’t care, can be set to VDDI or DGND level
Description
-This command is used to select the desired Gamma curve for the current display. A maximum of 4 curves
can be selected. The curves are defined in section 9.17 The curve is selected by setting the appropriate bit
in the parameter as described in the Table.
GS
GC[7:0] Reg.
LCM1
LCM0
LC Type
Gamma
0
0
MVA
0
1
Transflective(TR)
1
0
Transmissive(TM)
01H
1
1
N/A
Curve 2.2
02H
X
X
Transflective(TR) 1.8
04H
X
X
Transflective(TR) 2.5
1
08H
X
X
Transflective(TR) 1.0
01H
X
X
Transflective(TR) 1.0
02H
X
X
Transflective(TR) 2.5
0
0
MVA
0
1
Transflective(TR)
1
0
Transmissive(TM)
04H
1
1
N/A
Curve 2.2
0
08H
X
X
Transflective(TR) 1.8
Note: All other values are undefined.
Restriction
-Values of GC [7:0] not shown in table above are invalid and will not change the current selected Gamma
curve until valid is received.
Register
Availability
Status
Availability
Normal Mode On, Idle Mode Off, Sleep Out
Yes
Normal Mode On, Idle Mode On, Sleep Out
Yes
Partial Mode On, Idle Mode Off, Sleep Out
Yes
Partial Mode On, Idle Mode On, Sleep Out
Yes
Sleep In
Yes
Default
Status
Default Value
Power On Sequence
01h
S/W Reset
01h
H/W Reset
01h



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