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HMP8117_07 Datasheet, PDF (31/45 Pages) Intersil Corporation – NTSC/PAL Video Decoder | |||
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HMP8117
TABLE 32. RAW VBI MASK DEFINITIONS
MASK
MASK_18_16
(Register = Default)
(Reg. 17H)
MASK_15_8
(Register 16H)
MASK_7_0
(Register 15H)
REGISTER BIT
2107654321076543210
Mask Bit
18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
NTSC (Odd) Line# 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9
NTSC (Even) Line# 290 289 288 287 286 285 284 283 282 281 280 279 278 277 276 275 274 273 272
PAL (Odd) Line# 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5
PAL (Even) Line# 336 335 334 333 332 331 330 329 328 327 326 325 324 323 322 321 320 319 318
TABLE 33. BRIGHTNESS REGISTER
BIT
NO.
FUNCTION
SUB ADDRESS = 18H
DESCRIPTION
RESET
STATE
7
Reserved
6-0
Brightness
Adjust
These bits control the brightness. They may have a value of +63 (â011 1111â) to -64 (â100 0000â),
with positive values increasing brightness. A value of 0 (â000 0000â) has no effect on the data.
0B
0000000B
TABLE 34. CONTRAST REGISTER
BIT
NO.
FUNCTION
SUB ADDRESS = 19H
DESCRIPTION
7-0
Contrast
Adjust
These bits control the contrast. They may have a value of 0x (â0000 0000â) to 1.992x (â1111
1111â). A value of 1x (â1000 0000â) has no effect on the data.
RESET
STATE
80H
TABLE 35. HUE REGISTER
BIT
NO.
FUNCTION
SUB ADDRESS = 1AH
DESCRIPTION
7-0
Hue
Adjust
These bits control the color hue. They may have a value of +30 degrees (â0111 1111â) to -30
degrees (â1111 1111â). A value of 0 degrees (â0000 0000â) has no effect on the color data.
RESET
STATE
00H
TABLE 36. SATURATION REGISTER
BIT
NO.
FUNCTION
SUB ADDRESS = 1BH
DESCRIPTION
RESET
STATE
7-0
Saturation
Adjust
These bits control the color saturation. They may have a value of 0x (â0000 0000â) to 1.992x
80H
(â1111 1111â). A value of 1x (â1000 0000â) has no effect on the color data. A value of 0x (â0000
0000â) disables the color information.
TABLE 37. COLOR GAIN ADJUST REGISTER
BIT
NO.
FUNCTION
SUB ADDRESS = 1CH
DESCRIPTION
RESET
STATE
7-0
Color Gain Adjust These bits control the amount of digital gain applied to the color difference (CbCr) signals. They
40H
may have a value of 0.5x (â0010 0000â) to 3.98x (â1111 1111â). A value of 1x (â0100 0000â) has
no effect on the data. This register enabled by the selection of âfixed gain controlâ mode in the
Color Processing register 06H.
31
FN4643.3
April 19, 2007
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