XRT75L03 datasheet(6/92 Pages) EXAR | THREE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR

6 / 92 page

XRT75L03

REV. 1.0.4

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

III

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

8.0 Diagnostic Features: ........................................................................................................................ 84

8.1 PRBS GENERATOR AND DETECTOR: ................................................................................................................ 84

8.2 LOOPBACKS: ............................................................................................................................................... 84

Figure 25. PRBS MODE ................................................................................................................................. 84

8.2.1 ANALOG LOOPBACK: ....................................................................................................................... 85

Figure 26. Analog Loopback ........................................................................................................................... 85

8.2.2 DIGITAL LOOPBACK: ........................................................................................................................ 86

8.2.3 REMOTE LOOPBACK: ....................................................................................................................... 86

Figure 27. Digital Loopback ............................................................................................................................ 86

Figure 28. Remote Loopback .......................................................................................................................... 86

8.3 TRANSMIT ALL ONES (TAOS): ................................................................................................................... 87

Figure 29. Transmit All Ones (TAOS) ............................................................................................................. 87

ORDERING INFORMATION ................................................................................................................. 88

PACKAGE DIMENSIONS - 14X20 MM, 128 PIN PACKAGE ................................................................................ 88

REVISIONS ................................................................................................................................................. 89

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