Public Version
www.ti.com
Display Subsystem Register Manual
Table 7-196. DISPC_VIDn_POSITION
Address Offset
0x0C4 + ((–1) *0x90)
Index
n = 1 for VID1 or 2 for VID2
Physical address
0x4805 04C4 + ((–1)* 0x90) Instance
DISC
Description
The register configures the position of video window #n.
Shadow register, updated on VFP start period or EVSYNC.
Type
RW
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
9
8
7
6
5
4
3
2
1
0
Reserved
VIDPOSY
Reserved
VIDPOSX
Bits
Field Name
Description
Type
Reset
31:27
Reserved
Write 0s for future compatibility.
RW
0x00
Read returns 0
26:16
VIDPOSY
Y position of video window #n
RW
0x000
Encoded value (from 0 to 2047) to specify the Y position of video
window #n. The line at the top has the Y-position 0.
15:11
Reserved
Write 0s for future compatibility.
RW
0x00
Read returns 0
10:0
VIDPOSX
X position of video window #n
RW
0x000
Encoded value (from 0 to 2047) to specify the X position of video
window #n. The first pixel on the left of the display screen has the
X-position 0.
Table 7-197. Register Call Summary for Register DISPC_VIDn_POSITION
Display Subsystem Basic Programming Model
•
Display Controller Basic Programming Model
:
•
:
•
•
:
Display Subsystem Register Manual
•
Display Controller VID1 Register Mapping Summary
•
Display Controller VID2 Register Mapping Summary
Table 7-198. DISPC_VIDn_SIZE
Address Offset
0x0C8+((–1)* 0x90)
Index
n = 1 for VID1 or 2 for VID2
Physical address
0x4805 04C8+((–1)* 0x90)
Instance
DISC
Description
The register configures the size of video window #n.
Shadow register, updated on VFP start period or EVSYNC.
Type
RW
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
9
8
7
6
5
4
3
2
1
0
Reserved
VIDSIZEY
Reserved
VIDSIZEX
Bits
Field Name
Description
Type
Reset
31:27
Reserved
Write 0s for future compatibility.
RW
0x00
Read returns 0
26:16
VIDSIZEY
Number of lines of video #n
RW
0x000
Encoded value (from 1 to 2048) to specify the number of lines of
video window #n (program to value minus one).
15:11
Reserved
Write 0s for future compatibility.
RW
0x00
Read returns 0
10:0
VIDSIZEX
Number of pixels of video window #n
RW
0x000
Encoded value (from 1 to 2048) to specify the number of pixels of
video window #n (program to value minus one).
1851
SWPU177N – December 2009 – Revised November 2010
Display Subsystem
Copyright © 2009–2010, Texas Instruments Incorporated