Datasheet

TVP5158, TVP5157, TVP5156
www.ti.com SLES243G –JULY 2009–REVISED APRIL 2013
Table 4-53. Auto Contrast User Table Index
Subaddress 8Fh
Default 04h
7 6 5 4 3 2 1 0
Reserved AC_User_Mode_Table [2:0] Reserved
AC_User_Mode_Table [2:0]
User table selection for auto contrast user mode when the register 0Fh sets to 02h.
000 Brighter 1
001 Brighter 2
010 Brighter 3 (Brightest)
011 Darker 1
100 Darker 2
101 Darker 3 (Darkest)
110 to
Reserved
111
Table 4-54. Blue Screen Y Control
Subaddress 90h
Default 10h
7 6 5 4 3 2 1 0
Y value [9:2]
The Y value of the color screen output when enabled by bit 2 or 3 of the Output Formatter 2 register is programmable using a 10-bit value.
The 8 MSBs, bits [9:2], are represented in this register. The remaining two LSB are found in the Blue Screen LSB register. The default color
screen output is black.
The following table shows the values for registers 90h, 91h, 92h and 93h for several different screen colors.
Screen Color Reg 90h Reg 91h Reg 92h Reg 93h
Black (default) 10h 80h 80h 00h
Blue 29h F0h 6Eh 00h
Green 91h 36h 22h 00h
Cyan AAh A6h 10h 00h
Red 51h 5Ah F0h 00h
Magenta 6Ah CAh DEh 00h
Yellow D2h 10h 92h 00h
White EBh 80h 80h 00h
NOTE: The blue screen output mode can be enabled or disabled using bits 3:2 of I
2
C register A9h.
Table 4-55. Blue Screen Cb Control
Subaddress 91h
Default 80h
7 6 5 4 3 2 1 0
Cb value [9:2]
The Cb value of the color screen output when enabled by bit 2 or 3 of the Output Formatter 2 register is programmable using a 10-bit value.
The 8 MSBs, bits[9:2], are represented in this register. The remaining two LSB are found in the Blue screen LSB register. The default color
screen output is black. See Table 4-54 for example colors.
Copyright © 2009–2013, Texas Instruments Incorporated Internal Control Registers 67
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