User guide

Chapter 11: Clocked Video Output MegaCore Function 11–15
Parameter Settings
January 2013 Altera Corporation Video and Image Processing Suite
User Guide
Frame / Field 1:
Vertical front porch
0–65,536,
Default = 4
Choose the number of lines in the vertical front porch period for
Frame/Field 1.
Frame / Field 1:
Vertical back porch
0–65,536,
Default = 36
Choose the number of lines in the vertical back porch period for
Frame/Field 1.
Interlaced and Field 0:
F rising edge line
0–65,536,
Default = 0
Choose the line when the rising edge of the field bit occurs for Interlaced
and Field 0.
Interlaced and Field 0:
F falling edge line
0–65,536,
Default = 18
Choose the line when the rising edge of the vertical blanking bit for Field 0
occurs for Interlaced and Field 0.
Interlaced and Field 0:
Vertical blanking rising
edge line
0–65,536,
Default = 0
Choose the line when the vertical blanking rising edge occurs for
Interlaced and Field 0.
Interlaced and Field 0:
Ancillary packet
insertion line
0–65,536,
Default = 0
Choose the line where ancillary packet insertion starts.
Interlaced and Field 0:
Vertical blanking
0–65,536,
Default = 0
Choose the number of lines in the vertical front porch period for Interlaced
and Field 0.
Interlaced and Field 0:
Vertical sync
0–65,536,
Default = 0
Choose the number of lines in the vertical back porch period for Interlaced
and Field 0.
Interlaced and Field 0:
Vertical front porch
0–65,536,
Default = 0
Choose the number of lines in the vertical front porch period for Interlaced
and Field 0.
Interlaced and Field 0:
Vertical back porch
0–65,536,
Default = 0
Choose the number of lines in the vertical back porch period for Interlaced
and Field 0.
Pixel FIFO size
32–(memory limit),
Default = 1,920
Choose the required FIFO depth in pixels (limited by the available on-chip
memory).
FIFO level at which to
start output
0–(memory limit),
Default = 0
Choose the fill level that the FIFO must have reached before the output
video starts.
Video in and out use the
same clock
On or Off
Turn on if you want to use the same signal for the input and output video
image stream clocks.
Use control port On or Off Turn on to use the optional Avalon-MM control port.
Run-time configurable
video modes
(1)
1–14, Default = 1
Choose the number of run-time configurable video output modes that are
required when you are using the Avalon-MM control port.
Accept synchronization
outputs
No, Yes
Specifies whether the synchronization outputs are used:
■ No - Not used
■ Yes - Synchronization outputs, from the Clocked Video Input MegaCore
function, (
sof , sof_locked ) are used
Width of “vid_std” 0–16 Specifies the width of the
vid_std bus.
Note to Table 11–6:
(1) This parameter is available only when you turn on Use control port.
Table 11–6. Clocked Video Output Parameter Settings (Part 2 of 2)
Parameter Value Description