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1. Introduction to the Avalon® Interface Specifications
2. Avalon® Clock and Reset Interfaces
3. Avalon® Memory-Mapped Interfaces
4. Avalon® Interrupt Interfaces
5. Avalon® Streaming Interfaces
6. Avalon® Streaming Credit Interfaces
7. Avalon® Conduit Interfaces
8. Avalon® Tristate Conduit Interface
A. Deprecated Signals
B. Document Revision History for the Avalon® Interface Specifications
2.1. Avalon® Clock Sink Signal Roles
2.2. Clock Sink Properties
2.3. Associated Clock Interfaces
2.4. Avalon® Clock Source Signal Roles
2.5. Clock Source Properties
2.6. Reset Sink
2.7. Reset Sink Interface Properties
2.8. Associated Reset Interfaces
2.9. Reset Source
2.10. Reset Source Interface Properties
5.1. Terms and Concepts
5.2. Avalon® Streaming Interface Signal Roles
5.3. Signal Sequencing and Timing
5.4. Avalon® -ST Interface Properties
5.5. Typical Data Transfers
5.6. Signal Details
5.7. Data Layout
5.8. Data Transfer without Backpressure
5.9. Data Transfer with Backpressure
5.10. Packet Data Transfers
5.11. Signal Details
5.12. Protocol Details
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6.3. Avalon® Streaming Credit User Signals
User signals are optional sideband signals which flow along with data. They are considered valid only when data is valid. Given that user signals do not have any defined meaning or purpose, caution must be used while using these signals. It is the responsibility of the system designer to make sure that two IPs connected to each other agree on the roles of the user signals.
Two types of user signals are being proposed: per-symbol user signals and per-packet user signals.