Altera V-Series Avalon-MM DMA Bedienungsanleitung PDF herunterladen (Seite 23)

Parameter Value Description

performance for

received requests

Balanced

High

Maximum

credits, and completion data credits in the 16 KByte RX buffer.

The 5 settings allow you to adjust the credit allocation to

optimize your system. The credit allocation for the selected

setting displays in the message pane.

The Message window dynamically updates the number of

credits for Posted, Non-Posted Headers and Data, and

Completion Headers and Data as you change this selection.

3-2

System Settings

UG-01154

2014.12.18

Altera Corporation

Parameter Settings

Send Feedback

1 2 ... 18 19 20 21 22 23 24 25 26 27 28 ... 141 142

User Guide 1
Features 3
Interface 5
Release Information 8
Example Designs 9
Debug Features 9
IP Core Verification 9
Related Information 10
Altera Corporation 11
Datasheet 11
Send Feedback 11
Parameter Value 17
Directory Description 18
Time TLP Type Payload 18
TLP Header 18
Creating a Quartus II Project 19
Compiling the Design 20
Parameter Settings 22
Parameter Value Description 23
Device Capabilities 28
Error Reporting 28
Link Capabilities 29
MSI and MSI-X Capabilities 29
Power Management 30
PCIe Address Space Settings 31
RX Master Module 36
TX Slave Module 38
Signal Name Directio 39
Description 39
Bits Name Description 41
Clock Signals 45
Signal Direction Description 46
MSI Interrupts for Endpoints 51
Serial Data Signals 53
9 Ch 18 Ch 54
PIPE Interface Signals 64
Test Signals 68
Registers 70
Altera-Defined VSEC Registers 77
CvP Registers 78
Bits Register Description 82
Register Access Description 86
Read DMA Example 91
Byte Offset 95
Register Dir Description 95
Reset and Clocks 100
Example Design 101
Hard IP for PCI Express 101
UG-01154 102
2014.12.18 102
Clock Domains 104
Data Rate Frequency 105
Clock Summary 106
Error Handling 107
Physical Layer Errors 108
Data Link Layer Errors 108
Transaction Layer Errors 109
Error Type Description 110
Status Bit Conditions 112
IP Core Architecture 114
Hard IP for PCI Express 115
Top-Level Interfaces 116
Avalon-MM DMA Interface 116
Clocks and Reset 116
Transceiver Reconfiguration 116
Interrupts 116
Data Link Layer 117
Physical Layer 119
TX Packets 120
Altera FPGA 122
Qsys System 123
Subscribe 125
Address[31:2] 130
Figure A-6: I/O Read Request 132
Additional Information 136
Date Version Changes Made 137
How to Contact Altera 139
Typographic Conventions 140
Visual Cue Meaning 141

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