Belkin XM Commander manuales

Belkin XM Commander Especificaciones (164 paginas)

Marca: Belkin | Categoria: Procesadores | Tamaño: 7.10 MB |

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BeagleBoard-xM Rev A2

1

System Reference Manual

1

Table of Contents

5

Figures

9

Tables

11

1.0 Introduction

13

2.0 Change History

15

2.2.2 Software Changes

16

4.0 BeagleBoard Overview

17

Figure 2. USB Y-Cable

21

6.0 Product Contents

28

7.0 BeagleBoard Hookup

30

BEAGLEBOARD

36

VOLT_ERR

45

8.2.1 Detection

46

8.2.2 Indication

46

8.2.3 Shutdown

46

USB_CLIENT /

47

OTG PORT

47

DC_POWER

47

8.3.1 USB DC Source

48

8.3.2 Wall Supply Source

48

8.3.3 DC Source Control

48

8.3.4 AUX 3.3V Supply

49

Figure 25. Main Power Rails

55

8.7.6 VOCORE_1V3

56

8.7.7 VDD2

56

8.8.1 VDD_PLL2

57

8.8.2 VDD_PLL1

58

8.8.3 VDAC_1V8

58

8.8.10 EXP_VDD

60

8.9.1 Boot Configuration

60

8.9.2 RTC Backup Battery

60

8.9.3 Power Sequencing

61

Figure 27. Power Sequencing

61

8.9.4.3 User Reset

63

8.9.4.4 PWRON

63

8.9.5 mSecure Signal

63

8.10.1 Overview

64

8.10.2 SDRAM Bus

65

8.10.3 GPMC Bus

65

Processor

66

8.10.9 GPIO Mapping

69

8.10.10 Interrupt Mapping

69

Figure 33. POP Memory

70

Figure 34. System Clocks

70

8.12.1 32KHz Clock

71

8.12.2 26MHz Clock

71

8.12.2.1 26MHz Source

71

8.12.2.2 TPS65950 Setup

71

8.12.2.3 Processor 26MHz

71

8.12.3 McBSP_CLKS

72

8.13.1 USB OTG Overview

72

8.13.2 USB OTG Design

73

Figure 35. USB OTG Design

73

8.13.3 OTG ULPI Interface

73

8.13.3.2 TPS65950 Interface

74

8.13.4 OTG Charge Pump

74

8.13.5 OTG USB Connector

75

8.13.6 OTG USB Protection

75

8.14.1 Power

76

8.14.2 HS USB PHY

77

Figure 38. USB PHY Design

78

8.14.3 USB HUB

79

Figure 39. USB HUB Design

80

8.14.4 USB Port Connectors

81

8.14.5 Ethernet

82

8.15.1 microSD Power

83

8.15.2 Processor Interface

83

8.15.3 Card Detect

84

Figure 43. Audio Circuitry

85

8.16.3 Audio Output Jack

86

8.16.4 Audio Input Jack

86

Figure 44. DVI-D Interface

87

8.17.2 LCD Power

89

8.17.3 TFP410 Power

89

8.17.4 TFP410 Framer

89

8.17.6.8 DVI to VGA

93

Table 16. P11 LCD Signals

93

Table 17. P13 LCD Signals

94

8.20.4 Camera Modules

100

Figure 47. Camera Modules

100

8.21.1 Processor Interface

101

8.21.2 Level Translator

101

8.21.3 RS232 Transceiver

102

8.21.4 Connector

102

8.22.1 Power Indicator

103

8.22.2 PMU Status Indicator

103

Figure 49. Indicator Design

103

8.22.3 User Indicators

104

8.22.4 HUB Power Indicator

104

Figure 50. JTAG Interface

105

8.23.1 Processor Interface

105

Table 21. JTAG Signals

105

8.23.2 JTAG Connector

106

8.24.1 Processor Interface

106

8.24.2 Expansion Signals

108

8.24.3 Power

109

8.24.4 Reset

109

8.24.5 Power Control

109

Table 24. P11 GPIO Signals

110

MUX:0 MUX:2 MUX:4

110

Table 25. P13 GPIO Signals

110

8.26.1 MCBSP5 Signals

111

8.26.2 MMC3 Signals

112

8.26.3 ETK Signals

112

8.26.4 HSUSB1 Signals

113

8.26.5 Alternate Clock

113

8.26.6 HDQ 1-Wire

113

8.26.7 ADC

113

8.26.8 GPIO Signals

114

8.26.9 DMAREQ

114

Figure 52. Power Connector

115

Figure 56. DVI-D Connector

118

DVI-D interface itself

118

Figure 57. DVI-D Cable

119

Figure 58. DVI-D Cable

119

9.5.1 Connector Pinout

120

Table 33. P11 LCD Signals

120

Table 34. P13 LCD Signals

121

9.5.2 Camera

122

Figure 60. Camera Connector

123

Figure 61. Camera Module

123

9.5.3 Audio McBSP2 Port

124

9.5.6 Mounting Scenarios

127

Figure 66. Audio In Plug

128

Figure 68. Audio Out Plug

129

Table 39. JTAG Signals

130

9.9.1 Battery

132

Figure 73. Optional Battery

132

9.9.2 Battery Installation

132

Figure 75. Resistor R65

133

Table 41. DC Power Supplies

135

Figure 76. DC Power Supply

135

Figure 79. USB to Bluetooth

138

11.0 Mechanical Information

140

11.2.1 Mounting Method

141

11.2.2 Expansion EEPROM

143

Table 46. Voltages

145

12.1.1 Signal Access Points

146

Table 47. Troubleshooting

147

13.0 Known Issues

148

15.0 Schematics

151

16.0 Bills of Material

163

17.0 PCB Information

164

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