Altera SerialLite II IP Core Bedienungsanleitung PDF herunterladen (Seite 110)

Additional Information Info–3

Typographic Conventions

January 2014 Altera Corporation SerialLite II MegaCore Function

User Guide

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User Guide 1
Contents 3
Chapter 5. Testbench 5
Release Information 6
Device Family Support 6
Features 7
General Description 8
(EP2GX90FF1508C3) 10
Notes to Table 1–3: 11
Installation and Licensing 13
OpenCore Plus Evaluation 14
Simulate with Testbench 16
Design Flow 17
Parameterize 18
Set Up Simulation 21
Generate Files 21
Simulate the Design 22
Instantiate the MegaCore 22
Specify Constraints 22
Compile and Program 23
3. Parameter Settings 24
Link Consistency 25
Physical Layer Configuration 25
Transfer size 26
Reference Clock Frequency 26
Port Type 27
Notes to Figure 3–3: 28
Note to Figure 3–4: 28
Note to Figure 3–5: 29
Notes to Figure 3–6: 29
Self Synchronized Link Up 30
Number of Lanes 31
Scramble 32
De-Scramble 32
Broadcast Mode 32
Clock Compensation 33
Link Layer Configuration 34
Retry-on-error Disabled 35
Retry-on-error Enabled 35
Segment Size 35
Retry-on-error 36
Retry-on-error Responses 37
Flow Control 38
Notes to Figure 3–12: 41
Notes to Table 3–6: 42
Transmit/Receive FIFO Buffers 43
FIFO Buffer Size 44
FIFO Buffer Structure 44
16-Bit Versus 32-Bit CRC 46
Transceiver Configuration 47
Transmitter Buffer Power (V 48
Equalizer Control Settings 48
Bandwidth Mode 48
Starting Channel number 49
ALTGX Support Signals 50
Error Handling 51
Optimizing the Implementation 52
Feature Selection 53
Running Different Seeds 53
Limiting Fanout 53
Floorplanning 53
Minimizing Memory Utilization 54
4. Functional Description 55
Atlantic Interface 56
High-Speed Serial Interface 57
Clocks and Data Rates 58
External Clock Modes 59
SerialLite II Deskew Support 60
Note to Figure 4–6: 61
Note to Figure 4–7: 62
Note to Figure 4–8: 63
Note to Figure 4–9: 64
Note to Figure 4–10: 65
Note to Figure 4–11: 66
Note to Figure 4–14: 69
Initialization and Restart 71
Multiple Core Configuration 72
Compilation 73
Testbench 74
Simulation Support 74
Notes to Table 4–5: 77
Notes to Table 4–6: 79
Notes to Table 4–7: 81
Notes to Table 4–8: 81
Notes to Table 4–9: 82
Note to Table 4–10: 84
MegaCore Verification 85
5. Testbench 87
Testbench Specifications 88
Notes to Figure 5–1: 89
5–4 Chapter 5: Testbench 90
Simulation Flow 91
Running a Simulation 92
Chapter 5: Testbench 5–7 93
Testbench Time-Out 94
Verilog HDL 95
5–10 Chapter 5: Testbench 96
Chapter 5: Testbench 5–11 97
Chapter 5: Testbench 5–13 99
5–14 Chapter 5: Testbench 100
Status Monitors (pin_mon) 101
Pin_mon Tasks - Verilog HDL 102
Chapter 5: Testbench 5–17 103
5–18 Chapter 5: Testbench 104
Chapter 5: Testbench 5–19 105
5–20 Chapter 5: Testbench 106
Chapter 5: Testbench 5–21 107
Additional Information 108
Typographic Conventions 109
Visual Cue Meaning 110

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