Rainbow-electronics DS26502 manuals

Rainbow electronics DS26502 User Manual (125 pages)

Brand: Rainbow-electronics | Category: Communication | Size: 1.13 MB |

English

Table of contents

DS26502

1

T1/E1/J1/64KCC BITS Element

1

TABLE OF CONTENTS

2

3 of 125

3

4 of 125

4

LIST OF FIGURES

5

LIST OF TABLES

6

1. FEATURES

7

1.1 General

7

1.2 Line Interface

7

1.3 Jitter Attenuator

7

1.4 Framer/Formatter

8

1.5 Test and Diagnostics

8

1.6 Control Port

8

2. SPECIFICATIONS COMPLIANCE

9

10 of 125

10

11 of 125

11

3. BLOCK DIAGRAMS

12

Figure 3-1. Block Diagram

12

13 of 125

13

(HARDWARE MODE PIN NAME)

14

4.1 Transmit PLL

15

4.2 Transmit Side

15

4.3 Receive Side

16

4.4 Controller Interface

17

18 of 125

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19 of 125

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20 of 125

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4.5 JTAG

21

4.6 Line Interface

21

4.7 Power

22

5. PINOUT

23

Table 5-1. LQFP Pinout

23

INT INT JACKS

24

CS CS RLB

25

RD (DS) — RMODE2

25

WR (R/W) — TMODE3

25

6.1 Transmit Clock Source

26

6.2 Internal Termination

26

6.3 Line Build-Out

27

Table 6-3. E1 Line Build-Out

27

Table 6-4. T1 Line Build-Out

27

6.4 Receiver Operating Modes

27

6.6 MCLK Pre-Scaler

28

29 of 125

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7. PROCESSOR INTERFACE

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Table 7-1. Port Mode Select

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31 of 125

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7.3 Register Map

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33 of 125

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7.4 Interrupt Handling

38

7.5 Status Registers

38

7.6 Information Registers

39

8.1 T1 Control Registers

40

Table 8-1. T1 Alarm Criteria

45

9.1 E1 Control Registers

46

Table 9-2. E1 Alarm Criteria

49

CSM_TSDW

52

53 of 125

53

TS_8K_4INV — — — —

54

Table 11-1. T1 SSM Messages

55

11.2 Transmit BOC

55

11.3 Receive BOC

56

Table 12-1. E1 SSM Messages

64

13.1 LIU Operation

78

13.2 LIU Receiver

78

13.3 LIU Transmitter

79

13.4 MCLK Pre-Scaler

80

13.5 Jitter Attenuator

80

Figure 13-3. CMI Coding

81

13.7 LIU Control Registers

82

13.8 Recommended Circuits

90

Figure 13-4. Basic Interface

90

92 of 125

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93 of 125

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94 of 125

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95 of 125

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14. LOOPBACK CONFIGURATION

96

97 of 125

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Signal at Output Port

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99 of 125

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101 of 125

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102 of 125

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103 of 125

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17.1 Instruction Register

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105 of 125

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106 of 125

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107 of 125

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108 of 125

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110 of 125

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ABSOLUTE MAXIMUM RATINGS

111

112 of 125

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20.1 Multiplexed Bus

113

114 of 125

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115 of 125

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20.2 Nonmultiplexed Bus

116

20.3 Serial Bus

119

120 of 125

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121 of 125

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122 of 125

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123 of 125

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21. REVISION HISTORY

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22. PACKAGE INFORMATION

125

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