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NXP Semiconductors
PNX15xx/952x Series
Volume 1 of 1
Chapter 11: QVCP
PNX15XX_PNX952X_SER_N_4
NXP B.V. 2007. All rights reserved.
Product data sheet
Rev. 4.0 — 03 December 2007
11-424
Offset 0x10 E338
Layer LUT-HIST Bins 20 to 23
31:24
bin23
R/W
0
8-bit signed offset from a Yout=Yin Curve for Yin=128+ped register
23:16
bin22
R/W
0
8-bit signed offset from a Yout=Yin Curve for Yin=112+ped register
15:8
bin21
R/W
0
8-bit signed offset from a Yout=Yin Curve for Yin=96+ped register
7:0
bin20
R/W
0
8-bit signed offset from a Yout=Yin Curve for Yin=80+ped register
Offset 0x10 E33C
Layer LUT-HIST Bins 24 to 027
31:24
bin27
R/W
0
8-bit signed offset from a Yout=Yin Curve for Yin=192+ped register
23:16
bin26
R/W
0
8-bit signed offset from a Yout=Yin Curve for Yin=176+ped register
15:8
bin25
R/W
0
8-bit signed offset from a Yout=Yin Curve for Yin=160+ped register
7:0
bin24
R/W
0
8-bit signed offset from a Yout=Yin Curve for Yin=144+ped register
Offset 0x10 E340
Layer LUT-HIST Bins 28 to 31
31:24
bin31
R/W
0
8-bit signed offset from a Yout=Yin Curve for Yin=256+ped register
23:16
bin30
R/W
0
8-bit signed offset from a Yout=Yin Curve for Yin=240+ped register
15:8
bin29
R/W
0
8-bit signed offset from a Yout=Yin Curve for Yin=224+ped register
7:0
bin31
R/W
0
8-bit signed offset from a Yout=Yin Curve for Yin=208+ped register
Offset 0x10 E344
Layer Histogram Control
31:14
Unused
-
13
enable
R/W
0
Histogram and black stretch enabled
1 = enabled
0 = bypassed
12:11
uv_gain
R/W
2
Gain Factor for UV correction
00 = factor of 0
01 = factor of 0.5
10 = factor of 1
11 = factor of 2
10
uv_pos
R/W
1
UV corrections only in positive direction
9
ratio_limit
R/W
1
Minimum denominator for UV processing
0 = denominator larger than or equal to 64
1 = denominator larger than or equal to 128
8
round
R/W
0
Round or Truncate in interpolation for Y transfer function
1 = Round
0 = Truncate
7:0
black_off
R/W
0
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.
Offset 0x10 E348
Layer CFTR Blue
31:25
Unused
-
24
blueycomp
R/W
1
Compensate Y in order to prevent illegal colors in RGB space
1 = Y compensation on
0 = Y compensation off
Table 20: QVCP 1 Registers …Continued
Bit
Symbol
Acces
s
Value
Description