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HMP8117_07 Datasheet, PDF (31/45 Pages) Intersil Corporation – NTSC/PAL Video Decoder
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 (“011 1111”) to -64 (“100 0000”),
with positive values increasing brightness. A value of 0 (“000 0000”) 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 (“0000 0000”) to 1.992x (“1111
1111”). A value of 1x (“1000 0000”) 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 (“0111 1111”) to -30
degrees (“1111 1111”). A value of 0 degrees (“0000 0000”) 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 (“0000 0000”) to 1.992x
80H
(“1111 1111”). A value of 1x (“1000 0000”) has no effect on the color data. A value of 0x (“0000
0000”) 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 (“0010 0000”) to 3.98x (“1111 1111”). A value of 1x (“0100 0000”) has
no effect on the data. This register enabled by the selection of “fixed gain control” mode in the
Color Processing register 06H.
31
FN4643.3
April 19, 2007