Altera Serial Digital Interface (SDI) MegaCore Function manuali

Manuali dei proprietari e guide per l'utente per Strumenti di misura Altera Serial Digital Interface (SDI) MegaCore Function.
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Indice

User Guide

1

Contents

3

Chapter 4. SDI Audio IP Cores

4

Appendix A. Constraints

5

Appendix B. Clocking

5

Features

7

Release Information

8

Device Family Support

8

General Description

9

Notes to Table 1–5:

10

OpenCore Plus Evaluation

11

Resource Utilization

12

2. Getting Started

15

Design Flow

16

SDI Walkthrough

17

Parameterizing

19

Setting Up Simulation

20

Generating Files

20

- SD 270 Mbps

22

- HD 1.485 Gbps

22

- 3G 2.97 Gbps

22

Simulating the Design

23

Specifying Constraints

25

Multiple Channels

26

Compiling the Design

28

Programming a Device

28

Setting Up Licensing

29

3. Functional Description

31

Block Description

32

HD-SDI LN Insertion

34

Scrambling and NRZI Coding

35

Transceiver Clock

35

Receiver

36

Word Alignment

38

Video Timing Flags Extraction

39

RP168 Switching Compliance

39

HD-SDI LN Extraction

40

HD-SDI CRC Checking

40

Accessing Transceiver

40

Transmitter

42

Transmitter Clocks

42

Receiver Clocks

43

Notes to Table 3–5:

44

Notes to Figure 3–8:

44

Figure 3–9. Receiver Clocks

46

rxdata

47

Note to Table 3–7:

50

Notes to Figure 3–11:

51

Figure 3–12. Receiver Clocks

53

New TRS reasserts

55

Stratix IV GX

57

Note to Table 3–10:

58

Note to Table 3–11:

58

Notes to Figure 3–18:

60

Note to Figure 3–19:

61

User Logic

62

Encrypted SDI IP Core

62

Cyclone IV GX

63

Notes to Table 3–12:

70

Note to Table 3–13:

70

Note to Table 3–14:

71

Note to Figure 3–30:

77

Notes to Figure 3–33:

78

signal in

82

Table 3–18 on page 3–50

82

Notes to Figure 3–40:

83

Notes to Table 3–19:

85

MegaCore Verification

87

4. SDI Audio IP Cores

89

Functional Description

90

Note to Table 4–4:

93

Note to Table 4–5:

94

MegaCore function

100

Register Maps

103

Parameters

105

AES Format

109

Avalon-ST Audio Interface

109

Note to Figure 4–6:

110

Instantiating the IP Cores

111

Simulating the Testbench

112

Design Example

113

Components

114

Hardware Setup

116

D6 D7 D8 D9 D10 D11 D12 D13

118

A. Constraints

123

Notes to Figure A–1:

124

(gxb_rxclk

125

Specify Clock Characteristics

126

Set Multicycle Paths

127

337.5-MHz Zero-degree Clocks

128

Minimize Timing Skew

129

Non Cyclone Devices

130

Cyclone Devices Only

131

A–10 Appendix A: Constraints

132

B. Clocking

133

B–2 Appendix B: Clocking

134

C. Receive and Retransmit

135

Loopback FIFO Buffer

136

Additional Information

137

Info–2 Additional Information

138

Document Revision History

138

How to Contact Altera

139

Typographic Conventions

139

Info–4 Additional Information

140





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