
XRT7245
DS3 UNI FOR ATM
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PRELIMINARY
REV. 1.03
VIII
Bit 0—UtWidth16—UTOPIA Data Width .....................................................................................................111
Address = 6Bh, Receive UTOPIA Interrupt Enable/Status Register ........................................................111
Bit 6—RxFIFO Reset ....................................................................................................................................111
Bit 5—RxFIFO Overrun Interrupt Enable ...................................................................................................111
Bit 4—RxFIFO Underrun Interrupt Enable .................................................................................................111
Bit 3—RxFIFO Change of Cell Alignment Interrupt Enable ......................................................................112
Bit 2—RxFIFO Overrun Interrupt Status ....................................................................................................112
Bit 1—RxFIFO Underrun Interrupt Status ..................................................................................................112
Bit 0—RxFIFO Change of Cell Alignment Interrupt Status ......................................................................112
Address = 6Ch, Receive UTOPIA Address Register .................................................................................112
Address = 6Dh, Receive UTOPIA FIFO Status Register ...........................................................................112
Bit 1—RxFIFO Full ........................................................................................................................................113
Bit 0—RxFIFO Empty ...................................................................................................................................113
Address = 6Eh, Transmit UTOPIA Interrupt/Status Register ...................................................................113
Bit 7—TxFIFO Reset .....................................................................................................................................113
Bit 6—Discard (Cell) Upon Parity Error (Transmit UTOPIA Interface block) ..........................................113
Bit 5—Tx Parity Interrupt Enable (Transmit UTOPIA Interface block) ....................................................113
Bit 4—TxFIFO Overrun Interrupt Enable ....................................................................................................113
Bit 3—TxFIFO Change of Cell Alignment Interrupt Enable ......................................................................113
Bit 2—Tx Parity Interrupt Status .................................................................................................................113
Bit 1—TxFIFO Overrun Interrupt Status .....................................................................................................113
Bit 0—TxFIFO Change of Cell Alignment Interrupt Status .......................................................................114
Address = 6Fh, Transmit UTOPIA UDF2 Register .....................................................................................114
Address = 70h, Transmit UTOPIA Address Register ................................................................................114
Address = 71h, Transmit UTOPIA FIFO Status Register ..........................................................................114
Bit 1—TxFIFO Full ........................................................................................................................................115
Bit 0—TxFIFO Empty ...................................................................................................................................115
Address = 72h, Line Interface Drive Register ............................................................................................115
Bit 5—REQB (Receive Equalization Bypass Control) ...............................................................................115
Bit 4—TAOS (Transmit All Ones Signal) ....................................................................................................115
Bit 3—Encodis (B3ZS Encoder Disable) ....................................................................................................115
Bit 2—TxLev (Transmit Output Line Build-Out Select Output) ................................................................116
Bit 1—RLOOP (Remote Loop-back) ...........................................................................................................116
Bit 0—LLOOP ...............................................................................................................................................116
Address = 73h, Line Interface Scan Register ............................................................................................117
Bit 2—DMO (Drive Monitor Output) ............................................................................................................117
Bit 1—RLOL (Receive Loss of Lock) ..........................................................................................................117
Bit 0—RLOS (Receive Loss of Signal) .......................................................................................................117
Address = 74h, PMON CP Bit Error Count—MSB .....................................................................................118
The “Loss of Clock Enable” Feature .............................................................................118
Address = 72h, Line Interface Drive Register ............................................................................................118
Address = 01h, UNI I/O Control Register ...................................................................................................118
Using the PMON Holding Register ................................................................................118