pnx1700 NXP Semiconductors, pnx1700 Datasheet - Page 429
pnx1700
Manufacturer Part Number
pnx1700
Description
Connected Media Processor
Manufacturer
NXP Semiconductors
Datasheet
1.PNX1700.pdf
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Philips Semiconductors
Volume 1 of 1
Table 20: QVCP 1 Registers
PNX17XX_SER_1
Preliminary data sheet
Bit
12:11
10
9
8
7:0
Offset 0x10 E348
31:25
24
23:20
19:17
16
15:9
8:6
5:3
2:1
0
Offset 0x10 E34C
31:15
14:11
10:8
Symbol
uv_gain
uv_pos
ratio_limit
round
black_off
Unused
blueycomp
bluegain
bluesize
blue_enable
Unused
skingain
skintone
skinsize
skin_enable
Unused
greenmax
greensat
Layer CFTR Blue
Layer CFTR Green
…Continued
Acces
s
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
2
1
1
0
0
-
1
A
4
0
-
2
2
1
0
-
9
4
Value
Rev. 1 — 17 March 2006
Description
Gain Factor for UV correction
UV corrections only in positive direction
Minimum denominator for UV processing
Round or Truncate in interpolation for Y transfer function
8-bit signed offset for black stretch value
This is the 33rd histogram variable and this is the only way to add an
offset from a Yout=Yin curve for Yin= -256+ped register. But it
affects all other 32 values too.
Compensate Y in order to prevent illegal colors in RGB space
Strength of blue stretch effect (0..15) higher value = greater effect
Blue stretch detection area (0..7) lower value = greater detection
area
Strength of skin tone correction effect (0..4) higher value greater
effect
Direction of correction (0..4), lower value = towards “yellow” higher
value = towards “red”
Skin tone detection area size (0..2) higher value = greater detection
area
Maximum correction(0..15), higher value = stronger correction
allowed
Green detection area maximum saturation (0..7) higher value =
effect extends to higher saturations
00 = factor of 0
01 = factor of 0.5
10 = factor of 1
11 = factor of 2
0 = denominator larger than or equal to 64
1 = denominator larger than or equal to 128
1 = Round
0 = Truncate
1 = Y compensation on
0 = Y compensation off
Blue stretch functionality
1 = Enable
0 = Bypass
Skin tone correction functionality
1 = Enable
0 = Bypass
© Koninklijke Philips Electronics N.V. 2006. All rights reserved.
PNX17xx Series
Chapter 11: QVCP
11-72
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