XRT75R12_07 Datasheet, PDF (5/90 Pages) Exar Corporation – TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER

XRT75R12
REV. 1.0.3
TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR
TABLE 21: APS/REDUNDANCY TRANSMIT CONTROL REGISTER - CR128 (ADDRESS LOCATION = 0X80) ................................................. 59
TABLE 22: APS/REDUNDANCY RECIEVE CONTROL REGISTER - CR136 (ADDRESS LOCATION = 0X88) ................................................... 59
TABLE 23: CHANNEL LEVEL INTERRUPT ENABLE REGISTER - CR96 (ADDRESS LOCATION = 0X60) ......................................................... 60
TABLE 24: CHANNEL LEVEL INTERRUPT STATUS REGISTER - CR97 (ADDRESS LOCATION = 0X61) ......................................................... 61
TABLE 25: CHANNEL LEVEL INTERRUPT ENABLE REGISTER - CR224 (ADDRESS LOCATION = 0XE0)....................................................... 62
TABLE 26: CHANNEL LEVEL INTERRUPT STATUS REGISTER - CR225 (ADDRESS LOCATION = 0XE1)....................................................... 63
TABLE 27: DEVICE/PART NUMBER REGISTER - CR110 (ADDRESS LOCATION = 0X6E) ........................................................................... 63
TABLE 28: CHIP REVISION NUMBER REGISTER - CR111 (ADDRESS LOCATION = 0X6F) ......................................................................... 64
THE PER-CHANNEL REGISTERS........................................................................................................................... 65
REGISTER DESCRIPTION - PER CHANNEL REGISTERS .................................................................................... 65
TABLE 29: XRT75R12 REGISTER MAP SHOWING INTERRUPT ENABLE REGISTERS (IER_N)................................................................... 65
TABLE 30: SOURCE LEVEL INTERRUPT ENABLE REGISTER - CHANNEL N ADDRESS LOCATION = 0XM1 .................................................... 66
TABLE 31: XRT75R12 REGISTER MAP SHOWING INTERRUPT STATUS REGISTERS (ISR_N)................................................................. 67
TABLE 32: SOURCE LEVEL INTERRUPT STATUS REGISTER - CHANNEL N ADDRESS LOCATION = 0XM2 .................................................... 68
TABLE 33: XRT75R12 REGISTER MAP SHOWING ALARM STATUS REGISTERS (AS_N) ......................................................................... 69
TABLE 34: ALARM STATUS REGISTER - CHANNEL N ADDRESS LOCATION = 0XM3................................................................................... 69
TABLE 35: XRT75R12 REGISTER MAP SHOWING TRANSMIT CONTROL REGISTERS (TC_N)................................................................... 73
TABLE 36: TRANSMIT CONTROL REGISTER - CHANNEL N ADDRESS LOCATION = 0XM4 ........................................................................... 73
TABLE 37: XRT75R12 REGISTER MAP SHOWING RECEIVE CONTROL REGISTERS (RC_N) .................................................................... 75
TABLE 38: RECEIVE CONTROL REGISTER - CHANNEL N ADDRESS LOCATION = 0XM5 ............................................................................. 75
TABLE 39: XRT75R12 REGISTER MAP SHOWING CHANNEL CONTROL REGISTERS (CC_N) ................................................................... 77
TABLE 40: CHANNEL CONTROL REGISTER - CHANNEL N ADDRESS LOCATION = 0XM6 ............................................................................ 77
TABLE 41: XRT75R12 REGISTER MAP SHOWING JITTER ATTENUATOR CONTROL REGISTERS (JA_N) ................................................... 80
TABLE 42: JITTER ATTENUATOR CONTROL REGISTER - CHANNEL N ADDRESS LOCATION = 0XM7 ........................................................... 80
TABLE 43: XRT75R12 REGISTER MAP SHOWING ERROR COUNTER MSBYTE REGISTERS (EM_N)........................................................ 81
TABLE 44: ERROR COUNTER MSBYTE REGISTER - CHANNEL N ADDRESS LOCATION = 0XMA................................................................. 81
TABLE 45: XRT75R12 REGISTER MAP SHOWING ERROR COUNTER LSBYTE REGISTERS (EL_N).......................................................... 82
TABLE 46: ERROR COUNTER LSBYTE REGISTER - CHANNEL N ADDRESS LOCATION = 0XMB.................................................................. 82
TABLE 47: XRT75R12 REGISTER MAP SHOWING ERROR COUNTER HOLDING REGISTERS (EH_N) ........................................................ 83
TABLE 48: ERROR COUNTER HOLDING REGISTER - CHANNEL N ADDRESS LOCATION = 0XMC ................................................................ 83
8.0 ELECTRICAL CHARACTERISTICS ................................................................................................... 84
TABLE 49: ABSOLUTE MAXIMUM RATINGS ............................................................................................................................................. 84
TABLE 50: DC ELECTRICAL CHARACTERISTICS:..................................................................................................................................... 84
ORDERING INFORMATION .................................................................................................................. 86
FIGURE 37. PACKAGE DIMENSIONS....................................................................................................................................................... 86
REVISIONS .................................................................................................................................................................. 87
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