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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
11-413
Offset 0x10 E288
Color Key Low4
31:24
Unused
-
23:0
ColorKeylow4
R/W
0
Denes a 24-bit color key used for color keying inside the layer.
Offset 0x10 E28C
Color Key Replace4
31
Colorkeyreplaceen
R/W
0
Enables color replacement.
30:24
Unused
-
23:0
ColorKeyreplace4
R/W
0
Denes a 24-bit color to be put into the data path if the color key
matches.
The data format to be used is an expanded 24-bit RGB/YUV format.
If the data was fetched unsigned from memory, an unsigned value
has to be used. Signed pixel data formats in memory require signed
values in this register.
Offset 0x10 E290
Color Key Mask/ROP
31:24
Unused
-
23:20
ColorKeyMask
R/W
0
This mask species which color to key in for the current pixel
coming out of the layer.
19:16
ColorKeyMaskP
R/W
0
This color Mask is used to decide which color key to use for the
incoming previous pixel.
15:8
Unused
-
7:6
PassColorKey3
R/W
0
This register determines how to handle color key forwarding
00 pass zeros to the next mixer
01 pass current color key 3 to next mixer
10 pass previous color key 3 to next mixer
11 reserved
5:4
PassColorKey2
R/W
0
This register determines how to handle color key forwarding
00 pass zeros to the next mixer
01 pass current color key 2 to next mixer
10 pass previous color key 2 to next mixer
11 reserved
3:2
PassColorKey1
R/W
0
This register determines how to handle color key forwarding
00 pass zeros to the next mixer
01 pass current color key1 to next mixer
10 pass previous color key1 to next mixer
11 reserved
1:0
PassColorKey0
R/W
0
This register determines how to handle color key forwarding
00 pass zeros to the next mixer
01 pass current color key 0 to next mixer
10 pass previous color key 0 to next mixer
11 reserved
Offset 0x10 E294
Pixel Invert/Select ROP
31:16
InvertROP
R/W
0
This ROP decides if the previous pixel is inverted or not.
ROP output:
1 = Invert previous pixel.
0 = Do not invert previous pixel.
Table 20: QVCP 1 Registers …Continued
Bit
Symbol
Acces
s
Value
Description