![Texas Instruments DM38x DaVinci Скачать руководство пользователя страница 176](http://html1.mh-extra.com/html/texas-instruments/dm38x-davinci/dm38x-davinci_user-manual_1097067176.webp)
hsync
G
ro
u
p
1
First
Pix
0
Pix
1
Last
Pix
First
Pix
Last
Pix
Line X
Line X-1
Line X+1
hsync
vblank
G
ro
u
p
1
G
ro
u
p
2
First
Anc
Line 0
Anc
Line 1
Last
Anc
Line
First
ActVid
Line 0
Last
ActVid
Line
Frame X
Frame X-1
Internal Modules
176
SPRUHI7A – December 2012 – Revised June 2016
Copyright © 2012–2016, Texas Instruments Incorporated
High-Definition Video Processing Subsystem (HDVPSS)
1.2.8.2.18.7 Line and Pixel Capture Examples
When DISCRETE_BASIC_MODE = ‘0’, vblank is used. All the lines where the start of line is under an
active vblank are sent to the Ancillary Data buffer. All the lines where the start of line is not under an
active vblank are sent to the Active Video framebuffer. This situation is shown in
.
Figure 1-127. Line and Pixel Capture, vblank and hsync
The start of line is the pixel represented by the inactive to active transition on Hsync when
USE_ACTVID_HSYNC_N = ‘1’.
illustrates the delineation of a line when using
USE_ACTVID_HSYNC_N = ‘1.’
Figure 1-128. Line and Pixel Capture, hsync