User guide
Table Of Contents
- Contents
- 1. About This MegaCore Function Suite
- Release Information
- Device Family Support
- Features
- Design Example
- Performance and Resource Utilization
- 2D FIR Filter
- 2D Median Filter
- Alpha Blending Mixer
- Avalon-ST Video Monitor
- Chroma Resampler
- Clipper
- Clocked Video Input
- Clocked Video Output
- Color Plane Sequencer
- Color Space Converter
- Control Synchronizer
- Deinterlacer
- Deinterlacer II
- Frame Buffer
- Gamma Corrector
- Interlacer
- Scaler
- Scaler II
- Switch
- Test Pattern Generator
- Trace System
- 2. Getting Started with Altera IP Cores
- 3. Interfaces
- Interface Types
- Avalon-ST Video Protocol
- Avalon-MM Slave Interfaces
- Avalon-MM Master Interfaces
- Buffering of Non-Image Data Packets in Memory
- 4. 2D FIR Filter MegaCore Function
- 5. 2D Median Filter MegaCore Function
- 6. Alpha Blending MegaCore Function
- 7. Avalon-ST Video Monitor MegaCore Function
- 8. Chroma Resampler MegaCore Function
- 9. Clipper MegaCore Function
- 10. Clocked Video Input MegaCore Function
- 11. Clocked Video Output MegaCore Function
- 12. Color Plane Sequencer MegaCore Function
- 13. Color Space Converter MegaCore Function
- 14. Control Synchronizer MegaCore Function
- 15. Deinterlacer MegaCore Function
- Core Overview
- Functional Description
- Parameter Settings
- Signals
- Control Register Maps
- 16. Deinterlacer II MegaCore Function
- 17. Frame Reader MegaCore Function
- 18. Frame Buffer MegaCore Function
- 19. Gamma Corrector MegaCore Function
- 20. Interlacer MegaCore Function
- 21. Scaler MegaCore Function
- 22. Scaler II MegaCore Function
- 23. Switch MegaCore Function
- 24. Test Pattern Generator MegaCore Function
- 25. Trace System MegaCore Function
- A. Avalon-ST Video Verification IP Suite
- B. Choosing the Correct Deinterlacer
- Additional Information

Chapter 11: Clocked Video Output MegaCore Function 11–19
Control Register Maps
January 2013 Altera Corporation Video and Image Processing Suite
User Guide
9
Mode1 Horizontal Front
Porch
Video mode 1 horizontal front porch. Specifies the length of the horizontal front
porch in samples.
10
Mode1 Horizontal Sync
Length
Video mode 1 horizontal synchronization length. Specifies the length of the
horizontal synchronization length in samples.
11
Mode1 Horizontal
Blanking
Video mode 1 horizontal blanking period. Specifies the length of the horizontal
blanking period in samples.
12
Mode1 Vertical Front
Porch
Video mode 1 vertical front porch. Specifies the length of the vertical front porch
in lines.
13
Mode1 Vertical Sync
Length
Video mode 1 vertical synchronization length. Specifies the length of the vertical
synchronization length in lines.
14
Mode1 Vertical Blanking
Video mode 1 vertical blanking period. Specifies the length of the vertical
blanking period in lines.
15
Mode1 F0 Vertical Front
Porch
Video mode 1 field 0 vertical front porch (interlaced video only). Specifies the
length of the vertical front porch in lines.
16
Mode1 F0 Vertical Sync
Length
Video mode 1 field 0 vertical synchronization length (interlaced video only).
Specifies the length of the vertical synchronization length in lines.
17
Mode1 F0 Vertical
Blanking
Video mode 1 field 0 vertical blanking period (interlaced video only). Specifies
the length of the vertical blanking period in lines.
18
Mode1 Active Picture
Line
Video mode 1 active picture line. Specifies the line number given to the first line
of active picture.
19
Mode1 F0 Vertical
Rising
Video mode 1 field 0 vertical blanking rising edge. Specifies the line number
given to the start of field 0's vertical blanking.
20
Mode1 Field Rising
Video mode 1 field rising edge. Specifies the line number given to the end of
Field 0 and the start of Field 1.
21
Mode1 Field Falling
Video mode 1 field falling edge. Specifies the line number given to the end of
Field 0 and the start of Field 1.
22
Mode1 Standard
The value output on the
vid_std
signal.
23
Mode1 SOF Sample
Start of frame sample register. The sample and subsample upon which the SOF
occurs (and the
vid_sof
signal triggers):
■ Bits 0–1 are the subsample value.
■ Bits 2–15 are the sample value.
24
Mode1 SOF Line
SOF line register. The line upon which the SOF occurs measured from the rising
edge of the F0 vertical sync.
25
Mode1 Vcoclk Divider
Number of cycles of
vid_clk
(
vcoclk
) before
vcoclk_div
signal triggers.
26
Mode1 Ancillary Line
The line to start inserting ancillary data packets.
27
Mode1 F0 Ancillary Line
The line in field F0 to start inserting ancillary data packets.
28
Mode1 Valid
Video mode 1 valid. Set to indicate that this mode is valid and can be used for
video output.
29
Mode2 Control
...
30 ...
(1)
...
Note to Table 11–8:
(1) The rows in the table are repeated in ascending order for each video mode. All of the ModeN registers are write only.
Table 11–8. Clocked Video Output Control Register Map (Part 2 of 2)
Address Register Description