
Philips Semiconductors
PNX15xx Series
Volume 1 of 1
Chapter 12: Video Input Processor
PNX15XX_SER_3
Koninklijke Philips Electronics N.V. 2006. All rights reserved.
Product data sheet
Rev. 3 — 17 March 2006
12-25
26:16
VID_XWE[10:0]
R/W
0
Horizontal video window end
pixels from XWS up to and including XWE are processed
15:11
reserved
-
10:0
VID_YWE[10:0]
R/W
0
Vertical video window end
lines from YWS up to and including YWE are processed
Offset 0x10 6160
Pre-Dither Control
Offset 0x10 6164
Post-Dither Control
31
DITHER_ENBLE
R/W
0
Dither Control
Enable / disable the dither unit.
DITHER_ENABLE = 0 : disable;
DITHER_ENABLE = 1 : enable.
30
DITHER_Y
R/W
-
Dither Y Components
Enable / disable dithering of Y pixel-components.
DITHER_Y = 0 : disable (round and clip);
DITHER_Y = 1 : enable (dither).
29
DITHER_UV
R/W
-
Dither U and V Components
Enable / disable dithering of U and V pixel-components.
DITHER_UV = 0 : disable (round and clip);
DITHER_UV = 1 : enable (dither).
28:27
MODE[1:0]
R/W
-
Mode of Operation
Select input and output sizes and the computations carried out:
MODE = 0 : 10->9;
MODE = 1 : 10->8;
MODE = 2 : 9->8;
MODE = 3: Reserved.
26:4
reserved
R
-
3
FRAME_ALT
R/W
-
Frame Alternate
Enable/disable frame alternation while dithering.
FRAME_ALT = 0 : disable;
FRAME_ALT = 1 : enable.
2
FIELD_ALT
R/W
-
Field Alternate
Enable/disable eld alternation while dithering.
FIELD_ALT = 0 : disable;
FIELD_ALT = 1 : enable.
1
LINE_ALT
R/W
-
Line Alternate
Enable/disable line alternation while dithering.
LINE_ALT = 0 : disable;
LINE_ALT = 1 : enable.
0
DOUBLE_PIXEL_ALT
R/W
-
Single or Double Pixel Alternate
Select single or double pixel alternation while dithering.
DOUBLE_PIXEL_ALT = 0 : single pixel alternation;
DOUBLE_PIXEL_ALT = 1 : double pixel alternation.
VBI Acquisition Window Control Registers
Offset 0x10 6180
Auxiliary Acquisition Window Start
31:27
reserved
-
26:16
AUX_XWS[10:0]
R/W
0
Horizontal auxiliary window start
The pixel cosited with the reference edge REHS is numbered 0.
Table 10: Video Input Processor (VIP) 1 Registers …Continued
Bit
Symbol
Acces
s
Value
Description