manuais Texas Instruments TMS320C64x DSP

Texas instruments TMS320C64x DSP Manual do Utilizador (306 páginas)

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Índice

TMS320C64x DSP

1

Reference Guide

1

Read This First

3

Trademarks

4

Contents

10

Overview

18

1.1 Video Port

19

Video Port

20

1-3OverviewSPRU629

20

1.2 Video Port FIFO

22

1.3 Video Port Registers

29

1.4 Video Port Pin Mapping

30

2.1 Reset Operation

35

2.1.3 Software Port Reset

36

2.1.4 Capture Channel Reset

36

2.1.5 Display Channel Reset

37

2.2 Interrupt Operation

38

2.3 DMA Operation

39

DMA Operation

41

Video Port2-8 SPRU629

41

2-9Video PortSPRU629

42

Video Port2-10 SPRU629

43

2.3.4 DMA Interface Operation

44

2.4 Clocks

45

2.5.2 FIFO Size

46

Table 2–8

54

Video Capture Port

63

3.2 BT.656 Video Capture Mode

65

3.2.4 BT.656 Data Sampling

70

3.2.5 BT.656 FIFO Packing

71

BT.656 Video Capture Mode

72

3-11Video Capture PortSPRU629

73

3.3 Y/C Video Capture Mode

74

Y/C Video Capture Mode

75

3-13Video Capture PortSPRU629

75

3.3.4 Y/C FIFO Packing

76

3-15Video Capture PortSPRU629

77

3-17Video Capture PortSPRU629

79

3-21Video Capture PortSPRU629

83

3-23Video Capture PortSPRU629

85

3.4.4 Field Identification

86

3-25Video Capture PortSPRU629

87

3.5 Video Input Filtering

88

3.5.3 Scaling Operation

89

3.5.4 Edge Pixel Replication

91

3.6 Ancillary Data Capture

93

3.7 Raw Data Capture Mode

94

3.7.2 Raw Data FIFO Packing

95

Raw Data Capture Mode

96

3-35Video Capture PortSPRU629

97

Figure 3–21

98

3.8 TSI Capture Mode

99

3.8.6 Writing to the FIFO

103

Figure 3–25. TSI FIFO Packing

103

3.8.7 Reading from the FIFO

104

YDEF YDEFYDEF YDEF

105

CbDEF CbDEFCrDEF CrDEF

105

3.13 Video Capture Registers

111

Field Descriptions

113

Video Capture Registers

127

3-65Video Capture PortSPRU629

127

Video Display Port

146

4.1.1 Image Timing

147

4.1.2 Video Display Counters

150

4.1.3 Sync Signal Generation

152

4.1.4 External Sync Operation

153

4.1.5 Port Sync Operation

153

4.2 BT.656 Video Display Mode

154

4.2.2 Blanking Codes

157

4.2.3 BT.656 Image Display

157

4.2.4 BT.656 FIFO Unpacking

158

BT.656 Video Display Mode

159

4-15Video Display PortSPRU629

160

4.3 Y/C Video Display Mode

161

4.3.2 Y/C Blanking Codes

162

4.3.3 Y/C Image Display

162

4.3.4 Y/C FIFO Unpacking

162

Y/C Video Display Mode

163

4-19Video Display PortSPRU629

164

4.4 Video Output Filtering

166

4.4.3 Scaling Operation

167

4.4.4 Edge Pixel Replication

168

Video Output Filtering

169

4.5 Ancillary Data Display

170

4.6 Raw Data Display Mode

170

4.6.2 Raw Data FIFO Unpacking

171

Raw Data Display Mode

172

4-27Video Display PortSPRU629

172

4-29Video Display PortSPRU629

174

4-33Video Display PortSPRU629

178

4.9 Display Timing Examples

180

Display Timing Examples

181

4-36 Video Display Port

181

4-37Video Display PortSPRU629

182

VDTHRLD with a value of 3

184

4-40 Video Display Port

185

4-41Video Display PortSPRU629

186

4-43Video Display PortSPRU629

188

4-44 Video Display Port

189

4-45Video Display PortSPRU629

190

4-47Video Display PortSPRU629

192

4-49Video Display PortSPRU629

194

4-51Video Display PortSPRU629

196

4.12 Video Display Registers

197

General Purpose I/O Operation

242

5.1 GPIO Registers

243

Chapter 6

268

6.1 Overview

269

6.2 Interface

270

6.3 Operational Details

270

6.4 Enabling VIC Port

272

6.5 VIC Port Registers

272

Table 6–4

273

Appendix A

277

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