Video Port/VCXO Interpolated Control (VIC) Port User's Guide

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4.12.10 Video Display Field 1 Image Size Register (VDIMGSZ1)
Video Display Registers
Table 4-14. Video Display Field 1 Image Offset Register (VDIMGOFF1) Field Descriptions (continued)
Description
Bit field
(1)
symval
(1)
Value BT.656 and Y/C Mode Raw Data Mode
11-0 IMGHOFF1 OF( value) 0-FFFh Specifies the display image horizontal Specifies the display image horizontal
offset in pixels from the start of each line offset in pixels from the start of each line
of active video in field 1. This must be an of active video in field 1.
even number (the LSB is treated as 0).
DEFAULT 0
The video display field 1 image size register (VDIMGSZ1) defines the field 1 image area and specifies the
size of the displayed image within the active display.
The image pixel counter (IPCOUNT) counts displayed image pixel output on each of the displayed image.
Displayed image pixel output stops when IPCOUNT = IMGHSIZE1. The default output values or blanking
values are output for the remainder of the active line.
The image line counter (ILCOUNT) counts displayed image lines. Displayed image output stops when
ILCOUNT = IMGVSIZE1. The default output values or blanking values are output for the remainder of the
active field.
The video display field 1 image size register (VDIMGSZ1) is shown in Figure 4-40 and described in
Table 4-15 .
Figure 4-40. Video Display Field 1 Image Size Register (VDIMGSZ1)
31 28 27 16
Reserved IMGVSIZE1
R-0 R/W-0
15 12 11 0
Reserved IMGHSIZE1
R-0 R/W-0
LEGEND: R/W = Read/Write; R = Read only; - n = value after reset
Table 4-15. Video Display Field 1 Image Size Register (VDIMGSZ1) Field Descriptions
Description
Bit field
(1)
symval
(1)
Value BT.656 and Y/C Mode Raw Data Mode
31-28 Reserved - 0 Reserved. The reserved bit location is always read as 0. A value written to this field
has no effect.
27-16 IMGVSIZE1 OF( value) 0-FFFh Specifies the display image height in lines.
DEFAULT 0
15-12 Reserved - 0 Reserved. The reserved bit location is always read as 0. A value written to this field
has no effect.
11-0 IMGHSIZE1 OF( value) 0-FFFh Specifies the display image width in Specifies the display image width in
pixels. This number must be even (the pixels.
LSB is treated as 0).
DEFAULT 0
(1)
For CSL implementation, use the notation VP_VDIMGSZ1_ field_ symval
SPRUEM1 – May 2007 Video Display Port 133
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