XRT75R03 datasheet(5/92 Pages) EXAR

Part #	XRT75R03

Description	THREE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR

Download	92 Pages

Scroll/Zoom	100%

Manufacturer	EXAR [Exar Corporation]

Direct Link	http://www.exar.com

Logo

5 / 92 page

xr

XRT75R03

THREE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR

REV. 1.0.7

II

6.0 THE RECEIVER SECTION: ................................................................................................................. 43

6.1 AGC/EQUALIZER: .......................................................................................................................................... 43

6.1.1 INTERFERENCE TOLERANCE: ................................................................................................................................ 44

FIGURE 18. INTERFERENCE MARGIN TEST SET UP FOR DS3/STS-1................................................................................................ 44

FIGURE 19. INTERFERENCE MARGIN TEST SET UP FOR E3. ............................................................................................................ 45

TABLE 9: INTERFERENCE MARGIN TEST RESULTS ........................................................................................................................... 45

6.2 CLOCK AND DATA RECOVERY: .................................................................................................................. 45

6.3 B3ZS/HDB3 DECODER: ................................................................................................................................ 46

6.4 LOS (LOSS OF SIGNAL) DETECTOR: ......................................................................................................... 46

6.4.1 DS3/STS-1 LOS CONDITION: .................................................................................................................................... 46

TABLE 10: THE ALOS (ANALOG LOS) DECLARATION AND CLEARANCE THRESHOLDS FOR A GIVEN SETTING OF LOSTHR AND REQEN (DS3

AND

STS-1 APPLICATIONS)............................................................................................................................................. 46

DISABLING ALOS/DLOS DETECTION: .......................................................................................................... 46

6.4.2 E3 LOS CONDITION:.................................................................................................................................................. 46

FIGURE 20. LOSS OF SIGNAL DEFINITION FOR E3 AS PER ITU-T G.775.......................................................................................... 47

FIGURE 21. LOSS OF SIGNAL DEFINITION FOR E3 AS PER ITU-T G.775. ......................................................................................... 47

6.4.3 MUTING THE RECOVERED DATA WITH LOS CONDITION:................................................................................... 48

7.0 JITTER: ................................................................................................................................................ 48

7.1 JITTER TOLERANCE - RECEIVER: .............................................................................................................. 48

FIGURE 22. JITTER TOLERANCE MEASUREMENTS ........................................................................................................................... 48

7.1.1 DS3/STS-1 JITTER TOLERANCE REQUIREMENTS:............................................................................................... 48

FIGURE 23. INPUT JITTER TOLERANCE FOR DS3/STS-1................................................................................................................ 49

7.1.2 E3 JITTER TOLERANCE REQUIREMENTS:............................................................................................................. 49

FIGURE 24. INPUT JITTER TOLERANCE FOR E3 .............................................................................................................................. 49

TABLE 11: JITTER AMPLITUDE VERSUS MODULATION FREQUENCY (JITTER TOLERANCE) .................................................................. 50

7.2 JITTER TRANSFER - RECEIVER/TRANSMITTER: ...................................................................................... 50

TABLE 12: JITTER TRANSFER SPECIFICATION/REFERENCES ............................................................................................................ 50

7.3 JITTER ATTENUATOR: ................................................................................................................................. 50

TABLE 13: JITTER TRANSFER PASS MASKS .................................................................................................................................... 51

FIGURE 25. JITTER TRANSFER REQUIREMENTS AND JITTER ATTENUATOR PERFORMANCE................................................................ 51

7.3.1 JITTER GENERATION: .............................................................................................................................................. 51

8.0 SERIAL HOST INTERFACE: ............................................................................................................... 51

TABLE 14: FUNCTIONS OF SHARED PINS ......................................................................................................................................... 52

TABLE 15: XRT75R03 REGISTER MAP - QUICK LOOK .................................................................................................................... 53

Legend: ..................................................................................................................................................................... 56

THE REGISTER MAP AND DESCRIPTION FOR THE XRT75R03 3-CHANNEL DS3/E3/STS-1 LIU IC 56

TABLE 16: COMMAND REGISTER ADDRESS MAP, WITHIN THE XRT75R03 3-CHANNEL DS3/E3/STS-1 LIU W/ JITTER ATTENUATOR IC56

THE GLOBAL/CHIP-LEVEL REGISTERS ................................................................................................ 58

TABLE 17: LIST AND ADDRESS LOCATIONS OF GLOBAL REGISTERS ................................................................................................. 58

REGISTER DESCRIPTION - GLOBAL REGISTERS ............................................................................... 58

TABLE 18: APS/REDUNDANCY CONTROL REGISTER - CR0 (ADDRESS LOCATION = 0X00) ............................................................... 58

TABLE 19: BLOCK LEVEL INTERRUPT ENABLE REGISTER - CR32 (ADDRESS LOCATION = 0X20)....................................................... 61

TABLE 20: BLOCK LEVEL INTERRUPT STATUS REGISTER - CR33 (ADDRESS LOCATION = 0X21)....................................................... 62

TABLE 21: DEVICE/PART NUMBER REGISTER - CR62 (ADDRESS LOCATION = 0X3E) ....................................................................... 63

TABLE 22: CHIP REVISION NUMBER REGISTER - CR63 (ADDRESS LOCATION = 0X3F)..................................................................... 64

THE PER-CHANNEL REGISTERS ........................................................................................................... 64

TABLE 23: COMMAND REGISTER ADDRESS MAP, WITHIN THE XRT75R03 3-CHANNEL DS3/E3/STS-1 LIU W/ JITTER ATTENUATOR IC64

REGISTER DESCRIPTION - PER CHANNEL REGISTERS .................................................................... 66

TABLE 24: SOURCE LEVEL INTERRUPT ENABLE REGISTER - CHANNEL 0 ADDRESS LOCATION = 0X01 .............................................. 66

TABLE 25: SOURCE LEVEL INTERRUPT STATUS REGISTER - CHANNEL 0 ADDRESS LOCATION = 0X02 .............................................. 68

TABLE 26: ALARM STATUS REGISTER - CHANNEL 0 ADDRESS LOCATION = 0X03............................................................................. 70

TABLE 27: TRANSMIT CONTROL REGISTER - CHANNEL 0 ADDRESS LOCATION = 0X04 ..................................................................... 75

TABLE 28: RECEIVE CONTROL REGISTER - CHANNEL 0 ADDRESS LOCATION = 0X05 ....................................................................... 78

TABLE 29: CHANNEL CONTROL REGISTER - CHANNEL 0 ADDRESS LOCATION = 0X06 ...................................................................... 80

TABLE 30: JITTER ATTENUATOR CONTROL REGISTER - CHANNEL 0 ADDRESS LOCATION = 0X07 ..................................................... 83

9.0 DIAGNOSTIC FEATURES: ................................................................................................................. 84

9.1 PRBS GENERATOR AND DETECTOR: ........................................................................................................ 84

FIGURE 26. PRBS MODE ............................................................................................................................................................. 84

9.2 LOOPBACKS: ................................................................................................................................................ 84

9.2.1 ANALOG LOOPBACK:............................................................................................................................................... 84

FIGURE 27. ANALOG LOOPBACK..................................................................................................................................................... 85

9.2.2 DIGITAL LOOPBACK:................................................................................................................................................ 86

FIGURE 28. DIGITAL LOOPBACK...................................................................................................................................................... 86

Similar Part No. - XRT75R03

Manufacturer	Part #	Datasheet	Description
Exar Corporation	XRT75R03D	803Kb / 134P	THREE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCRONIZER
	XRT75R03D	850Kb / 135P	EXAR DATA SHEET FORMAT TEMPLATES
	XRT75R03DIV	803Kb / 134P	THREE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCRONIZER
	XRT75R03DIV	850Kb / 135P	EXAR DATA SHEET FORMAT TEMPLATES
	XRT75R03D	850Kb / 135P	EXAR DATA SHEET FORMAT TEMPLATES

More results

Similar Description - XRT75R03

Manufacturer	Part #	Datasheet	Description
Exar Corporation	XRT75L03	818Kb / 92P	THREE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR
	XRT75VL00	442Kb / 50P	E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR
	XRT75VL00	324Kb / 50P	E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR
	XRT75L00	500Kb / 50P	E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR
	XRT75L06	649Kb / 63P	SIX CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR
	XRT75R12	786Kb / 89P	TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR
	XRT75R06	666Kb / 63P	SIX CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR
	XRT75L04	997Kb / 57P	FOUR CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER
	XRT75R12	1Mb / 90P	TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER
	XRT75R12	2Mb / 90P	TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER

More results

XRT75R03 Datasheet(PDF) 5 Page - Exar Corporation

XRT75R03 Datasheet(HTML) 5 Page - Exar Corporation

Similar Part No. - XRT75R03

Similar Description - XRT75R03

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92

Datasheet Download

Link URL