Xilinx LOGICORE UG144 manuály

Uživatelské manuály a uživatelské příručky pro Stroj na snižování hluku Xilinx LOGICORE UG144.
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Xilinx LOGICORE UG144 Uživatelský manuál (138 strany)

Značka: Xilinx | Kategorie: Stroj na snižování hluku | Velikost: 1.66 MB |

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LogiCORE™ IP

1

1-Gigabit Ethernet

1

MAC v8.5

1

Revision History

3

Table of Contents

5

Appendix D: Core Latency

8

Schedule of Figures

9

UG144 April 24, 2009

10

Schedule of Tables

13

About This Guide

15

Conventions

16

Online Document

17

List of Acronyms

17

Introduction

19

Specifications

20

Technical Support

20

Feedback

20

Core Architecture

21

Core Components

22

Core Interfaces

23

Client Side Interface

26

Receiver Interface

27

Flow Control Interface

27

Physical Side Interface

29

MDIO Interface

30

Generating the Core

31

Component Name

32

Management Interface

32

Address Filter

32

Physical Interface

32

Output Generation

33

Designing with the Core

35

Know the Degree of Difficulty

37

Keep it Registered

38

Use Supported Design Flows

38

Chapter 5

39

Frame Reception with Errors

41

Client-Supplied FCS Passing

42

VLAN Tagged Frames

42

Disabled

43

Receiver Statistics Vector

44

Transmitting Outbound Frames

47

Client Underrun

48

Inter-Frame Gap Adjustment

49

Transmitter Statistics Vector

50

Using Flow Control

53

Flow Control Basics

54

Pause Control Frames

55

Core-initiated Pause Request

56

Pause Frame Reception Enabled

57

Operation

59

Chapter 6: Using Flow Control

60

Chapter 7

61

GMII Receiver Logic

63

DCM Reset circuitry

64

IOB LOGIC

66

Virtex-4 Devices

67

RGMII Receiver Logic

70

Implementing External RGMII

71

Using the MDIO interface

76

Configuration and Status

77

Configuration Registers

78

Receiver Configuration

79

Transmitter Configuration

80

Flow Control Configuration

81

MDIO Configuration

82

Address Filter Configuration

82

Accessing the Address Table

85

LOCATION

86

31 : 0 47 : 32

86

IDLE IDLE32 bits

87

STA drives MDIO

87

Constraining the Core

93

MDIO Logic

94

Flow Control

95

Configuration

95

"reset_dist_grp";

96

GMII Input Setup/Hold Timing

97

Non-Virtex-5 devices

99

RGMII IOB Constraints

101

RGMII Input Setup/Hold Timing

102

Virtex-5 Devices

103

RGMII DDR Constraints

104

Non-Virtex-5 Devices

105

-- DISCONTINUED PRODUCT

108

Clocking and Resetting

109

Multiple Cores

110

With RGMII

111

Reset Conditions

112

Interfacing to Other Cores

113

Tra ns ce i ve r

115

Virtex-5 LXT and SXT Devices

117

Virtex-5 FXT Devices

118

Ethernet Statistics Core

119

Implementing Your Design

123

Implementation

124

Static Timing Analysis

125

Generating a Bitstream

125

Generating a Simulation Model

125

Using the Model

126

Using the Client-Side FIFO

127

Interfaces

128

Receive FIFO

129

Data Flow

130

Functional Operation

131

Expanding Maximum Frame Size

132

Interoperability

133

Appendix C

135

Core Latency

137

Appendix D: Core Latency

138

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