XRT7302IQ80 View Datasheet(PDF) - Exar Corporation
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Description
MFG CO.
'XRT7302IQ80' PDF : 77 Pages View PDF
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2 CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT
XRT7302
REV. 1.1.0
COMMAND REGISTER 11 (ADDRESS = 0X0B) ................................................................ 50
3.8 SHUTTING OFF THE RECEIVE SECTION .......................................................................................... 51
COMMAND REGISTER CR3 (ADDRESS = 0X03) ............................................................. 52
COMMAND REGISTER CR11 (ADDRESS = 0X0B) .......................................................... 52
4.0 DIAGNOSTIC FEATURES OF THE XRT7302 DEVICE ................................................................... 53
4.1 THE ANALOG LOCAL LOOP-BACK MODE ......................................................................................... 53
4.2 THE DIGITAL LOCAL LOOP-BACK MODE. ......................................................................................... 54
COMMAND REGISTER CR4 (ADDRESS = 0X04) ............................................................. 55
COMMAND REGISTER CR12 (ADDRESS = 0X0C) .......................................................... 55
4.3 THE REMOTE LOOP-BACK MODE .................................................................................................... 56
COMMAND REGISTER CR4 (ADDRESS = 0X04) ............................................................. 56
4.4 TXOFF FEATURES ......................................................................................................................... 57
COMMAND REGISTER CR12 (ADDRESS = 0X0C) .......................................................... 57
COMMAND REGISTER CR1 (ADDRESS = 0X01) ............................................................. 57
COMMAND REGISTER CR9 (ADDRESS = 0X09) ............................................................. 57
4.5 THE TRANSMIT DRIVE MONITOR FEATURES .................................................................................... 58
4.6 THE TAOS (TRANSMIT ALL ONES) FEATURE ................................................................................. 58
COMMAND REGISTER CR1 (ADDRESS = 0X01) ............................................................. 59
5.0 THE MICROPROCESSOR SERIAL INTERFACE ............................................................................ 59
5.1 DESCRIPTION OF THE COMMAND REGISTERS .................................................................................. 59
COMMAND REGISTER CR9 (ADDRESS = 0X09) ............................................................. 59
Command Register - CR0 ........................................................................................................... 60
COMMAND REGISTER CR0, (ADDRESS = 0X00) ............................................................ 60
COMMAND REGISTER CR1 (ADDRESS = 0X01) ............................................................. 61
Command Register CR2 ............................................................................................................. 62
COMMAND REGISTER CR2 (ADDRESS = 0X02) ............................................................. 62
COMMAND REGISTER CR3 (ADDRESS = 0X03) ............................................................. 63
COMMAND REGISTER CR4 (ADDRESS = 0X04) ............................................................. 63
Command Register - CR8 ........................................................................................................... 64
COMMAND REGISTER 8, (ADDRESS = 0X08) ................................................................. 64
Command Register CR9 ............................................................................................................. 64
COMMAND REGISTER CR9 (ADDRESS = 0X09) ............................................................. 65
Command Register CR10 ........................................................................................................... 65
COMMAND REGISTER CR10 (ADDRESS = 0X0A) .......................................................... 65
5.2 COMMAND REGISTER CR11 ........................................................................................................... 66
COMMAND REGISTER CR11 (ADDRESS = 0X0B) .......................................................... 66
Command Register CR12 ........................................................................................................... 67
COMMAND REGISTER CR 12 (ADDRESS = 0X0C) ......................................................... 67
5.3 OPERATING THE MICROPROCESSOR SERIAL INTERFACE. ................................................................. 67
Ordering Information ....................................................................................................... 70
III
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