IPSR-VIDEO Altera, IPSR-VIDEO Datasheet - Page 117

• Manufacturer Part Number: IPSR-VIDEO
• Description: RENEWAL Of IPS-VIDEO
• Manufacturer: Altera
• Series: IP Suitesr

Specifications of IPSR-VIDEO

• Software Application: IP CORE, SUITES
• Supported Families: Arria GX, Cyclone II, HardCopy II, Stratix II
• Features: Common Avalon Streaming (Avalon-St) Interface And Avalon-St Video Protocol
• Core Architecture: FPGA
• Core Sub-architecture: Arria, Cyclone, Stratix
• Rohs Compliant: NA
• Lead Free Status / RoHS Status: na

Chapter 5: Functional Descriptions
Control Synchronizer
January 2011 Altera Corporation
1. Set up the change of video width as shown in
Figure 5–17. Change of Video Width
2. The Test Pattern Generator has changed the size of its Video Data Packet and
Figure 5–18. Changing Video Width
Avalon MM
Avalon MM
Control Data Packet pairs to 320 width. It is not known when this change will
propagate through the Frame Buffer to the Scaler
Test Pattern
Test Pattern
Generator
Generator
changing frame width to 320
Red Line Indicates Control Data Packet and Video Data Packet Pair Number 4 (Width 640)
Blue Line Indicates Control Data Packet and Video Data Packet Pair Number 0 (Width 640)
Control Data packet and Video Data Packet Pair Numbers 1, 2 and 3 are Stored in the Frame Buffer
Red Line Indicates Control Data Packet and Video Data Packet Pair Number 5 (Width 320)
Blue Line Indicates Control Data Packet and Video Data Packet Pair Number 1 (Width 640)
Control Data Packet and Video Data Packet Pair Numbers 2, 3, and 4 are Stored in the Frame Buffer
CPU Writes to
Test Pattern
Generator,
Nios II CPU
Nios II CPU
Frame
Frame
Buffer
Buffer
Change Scaler Output Size to 320 Width
When a Change in Width is Detected
Synchronizer, Configures it to
CPU Writes to Control
Avalon MM
Avalon MM
Synchronizer
Master
Master
Synchronizer
Figure
Control
Control
Video and Image Processing Suite User Guide
(Figure
Avalon MM
Avalon MM
5–17.
5–18).
Scaler
Scaler
Avalon MM
Avalon MM
5–37