V-Series Avalon-MM DMA Interface for PCIe Solutions User Guide
ID
683514
Date
7/31/2018
Public
1. Datasheet
2. Getting Started with the Avalon-MM DMA
3. Parameter Settings
4. Registers
5. Error Handling
6. PCI Express Protocol Stack
7. V-Series Avalon-MM DMA for PCI Express
8. Transceiver PHY IP Reconfiguration
A. Frequently Asked Questions for V-Series Avalon-MM DMA Interface for PCIe
B. V-Series Interface for PCIe Solutions User Guide Archive
C. Document Revision History
1.1. V-Series Avalon-MM DMA Interface for PCIe* Datasheet
1.2. Features
1.3. Comparison of Avalon-ST, Avalon-MM and Avalon-MM with DMA Interfaces for V-Series Devices
1.4. Release Information
1.5. V-Series Device Family Support
1.6. Design Examples
1.7. Debug Features
1.8. IP Core Verification
1.9. Resource Utilization
1.10. V-Series Recommended Speed Grades
1.11. Creating a Design for PCI Express
4.1. Correspondence between Configuration Space Registers and the PCIe Specification
4.2. Type 0 Configuration Space Registers
4.3. Type 1 Configuration Space Registers
4.4. PCI Express Capability Structures
4.5. Intel-Defined VSEC Registers
4.6. Advanced Error Reporting Capability
4.7. DMA Descriptor Controller Registers
4.8. Control Register Access (CRA) Avalon-MM Slave Port
This interface is available when you select the internal Descriptor Controller. It receives the Read DMA descriptors which are fetched by the Read Data Mover. Connect the interface to the Read DMA Avalon-MM master interface.
| Signal Name |
Direction |
Description |
|---|---|---|
| RdDTSAddress_i[7:0] |
Input |
Specifies the descriptor table address. |
| RdDTSBurstCount_i[4:0] or [5:0] |
Input |
Specifies the burst count of the transaction in words. |
| RdDTSChipSelect_i |
Input |
When asserted, indicates that the read targets this slave interface. |
| RdDTSWriteData_i[255:0] or [127:0] |
Input |
Specifies the descriptor. |
| RdDTSWrite_i |
Input |
When asserted, indicates a write transaction. |
| RdDTSWaitRequest_o |
Output | When asserted, indicates that the Avalon-MM slave device is not ready to respond. |