iv Altera Corporation
Quartus II Handbook, Volume 4
Quartus II Handbook, Volume 4
Traditional Shared Bus Architectures ......................................................................................... 2–11
Slave-Side Arbitration ................................................................................................................... 2–12
Arbiter Details ................................................................................................................................. 2–13
Arbitration Rules ............................................................................................................................ 2–14
Setting Arbitration Parameters in SOPC Builder ................................................................. 2–15
Fairness-Based Shares .............................................................................................................. 2–15
Round-Robin Scheduling ......................................................................................................... 2–16
Burst Transfers .......................................................................................................................... 2–16
Minimum Share Value .............................................................................................................2–16
Burst Adapters ..................................................................................................................................... 2–17
Interrupts .............................................................................................................................................. 2–18
Individual Requests IRQ Scheme ................................................................................................ 2–18
Priority Encoded Interrupt Scheme ............................................................................................. 2–19
Assigning IRQs in SOPC Builder ................................................................................................. 2–19
Reset Distribution ................................................................................................................................ 2–20
Referenced Documents ....................................................................................................................... 2–20
Document Revision History ............................................................................................................... 2–21
Chapter 3. System Interconnect Fabric for Streaming Interfaces
Introduction ............................................................................................................................................ 3–1
High-Level Description ................................................................................................................... 3–1
Avalon Streaming and Avalon Memory-Mapped Interfaces .................................................... 3–2
Adapters .................................................................................................................................................. 3–3
Data Format Adapter ....................................................................................................................... 3–4
Timing Adapter ................................................................................................................................ 3–5
Channel Adapter .............................................................................................................................. 3–5
Multiplexer Examples ........................................................................................................................... 3–5
Example to Double Clock Frequency ............................................................................................ 3–5
Example to Double Data Width and Maintain Frequency ......................................................... 3–6
Example to Boost the Frequency .................................................................................................... 3–6
Referenced Documents ......................................................................................................................... 3–7
Document Revision History ................................................................................................................. 3–8
Chapter 4. SOPC Builder Components
Introduction ............................................................................................................................................ 4–1
Component Providers ........................................................................................................................... 4–1
Component Hardware Structure ......................................................................................................... 4–2
Components Inside the SOPC Builder System ............................................................................ 4–3
Components That Interface to Logic Outside the SOPC Builder System ................................ 4–4
Exported Connection Points ................................................................................................................ 4–4
Selecting Components in SOPC Builder ............................................................................................ 4–5
Component Structure ............................................................................................................................ 4–5
Component Description File (_hw.tcl) .......................................................................................... 4–6
Component File Organization ........................................................................................................ 4–6
Using Classic Components in SOPC Builder .................................................................................... 4–7
Referenced Document ........................................................................................................................... 4–7
Document Revision History ................................................................................................................. 4–8
