
TFP6422, TFP6424
PanelBus
DIGITAL TRANSMITTER/VIDEO ENCODER COMBO
SLDS118 – MARCH 2000
50
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
BLACK_LEVEL
Subaddress = 5D
Default = 0xC3
7
6
5
4
3
2
1
0
GU[8]
BLACK[6:0]
GU[8]
The most significant bit of Gain_U register. See Gain_U register for more details.
BLACK[6:0]
Black level setting. Following are typical programming examples for NTSC/PAL standards.
NTSC with 7.5 IRE pedestal:
WHITE – BLACK = 92.5 IRE
BLACK_LEVEL = 0x43
NTSC with no pedestal:
WHITE – BLACK = 100 IRE
BLACK_LEVEL = 0x38
PAL with no pedestal:
WHITE – BLACK = 100 IRE
BLACK_LEVEL = 0x3B
BLANK_LEVEL
Subaddress = 5E
Default = 0xB8
7
6
5
4
3
2
1
0
GV[8]
BLANK[6:0]
GV[8]
The most significant bit of Gain_V register. See Gain_V register for more details.
BLANK[6:0]
Blank level setting. Following are typical programming examples for NTSC/PAL standards.
NTSC with 7.5 IRE pedestal:
WHITE – BLACK = 92.5 IRE
BLANK_LEVEL = 0x38
NTSC with no pedestal:
WHITE – BLACK = 100 IRE
BLANK_LEVEL = 0x38
PAL with no pedestal:
WHITE – BLACK = 100 IRE
BLANK_LEVEL = 0x3B
GAIN_Y
Subaddress = 5F
Default = 0x2F
7
6
5
4
3
2
1
0
GY[7:0]
GU[7:0]
Gain control for Y signal. The MSB, bit 8, is located at address 60, bit 5. Following are typical
programming examples for NTSC and PAL standards.
NTSC with 7.5 IRE pedestal:
WHITE – BLACK = 92.5 IRE
GAIN_Y = 0x12F
NTSC with no pedestal:
WHITE – BLACK = 100 IRE
GAIN_Y = 0x147
PAL with no pedestal:
WHITE – BLACK = 100 IRE
GAIN_Y = 0x140
ANALOG
VIDEO
OUTPUT
TYPE
SYNC
IRE/mV
SETUP
IRE/mV
PEAK
WHITE
IRE/mV
UV
EXCURSION
(mV)
Y_GAIN
U_GAIN
V_GAIN
BLACK_LEVEL
BLANK_LEVEL
Composite
–40(286)
7.5(54)
100
–
0x12F
0x102
0x16C
0x43
0x38
Com osite
or
–40(286)
0(0)
100
–
0x147
0x117
0x189
0x38
S-video
–43(300)
0(0)
100
–
0x140
0x111
0x181
0x3B
–40(286)
7.5(54)
100
±330
0x12F
0x102
0x16C
0x43
0x38
–40(286)
0(0)
100
±357
0x147
0x117
0x189
0x38
YPrPb
–43(300)
0(0)
100
±350
0x140
0x111
0x181
0x3B
YPrPb
–40(286)
7.5(54)
100
±350
0x12F
0x111
0x181
0x43
0x38
–40(286)
0(0)
100
±350
0x147
0x111
0x181
0x38
–43(300)
0(0)
100
±350
0x140
0x111
0x181
0x3B
PRODUCT
PREVIEW