XRT7245
DS3 UNI FOR ATM
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PRELIMINARY
REV. 1.03
XIV
Bit 3—RxCR Type—C/R (Command/Response) Type ..............................................................................233
Bit 4, 5—RxLAPD Type[1, 0]—LAPD Message Type .................................................................................233
Bit 1—EndOfMessage—End of LAPD Message Frame ............................................................................233
Bit 2—RxFCSErr—Frame Check Sequence Error Indicator .....................................................................233
Removal of Stuff Bits from the Payload Portion of the incoming LAPD Message ..........................................233
Writing the Incoming LAPD Message to the “Receive LAPD Message” Buffer .............................................234
Address = 0Fh, RxDS3 Status Register .....................................................................................................235
UNI Interrupt Status Register (Address = 05h) ..........................................................................................236
Rx DS3 Interrupt Status Register ...............................................................................................................236
Rx DS3 Interrupt Status Register (Address = 11h) ...................................................................................236
Bit 0—Parity (P-Bit) Error Interrupt Status ................................................................................................236
Bit 1—Change in OOF Status” Interrupt Status ........................................................................................236
Bit 2—AIC Interrupt Status (C-Bit Parity Mode Only) ...............................................................................236
Bit 3—FERF (Far-End Receive Failure) Interrupt Status ..........................................................................237
Bit 4—“Change in IDLE Status” Interrupt Status ......................................................................................237
Bit 5—“Change in AIS Status” Interrupt Status ........................................................................................237
Bit 6—“Change in LOS (Loss of Signal) Status” Interrupt Status ...........................................................237
Rx DS3 Interrupt Enable Register (Address = 10h) ..................................................................................237
Rx DS3 FEAC Interrupt Enable/Status Register ........................................................................................237
Rx DS3 FEAC Interrupt Enable/Status Register (Address = 13h) ............................................................238
Bit 0—Rx FEAC Valid Interrupt Status .......................................................................................................238
Bit 1—Rx FEAC Valid Interrupt Enable ......................................................................................................238
Bit 2—Rx FEAC Removal Interrupt Status .................................................................................................238
Bit 3—Rx FEAC Removal Interrupt Enable ................................................................................................238
Rx DS3 LAPD Control Register ...................................................................................................................238
Rx DS3 LAPD Control Register (Address = 14h) ......................................................................................238
Bit 0—RxLAPD Interrupt Status ..................................................................................................................238
Bit 1—RxLAPD Interrupt Enable .................................................................................................................239
Receive PLCP Processor ............................................................................................... 239
Rx PLCP Configuration/Status Register (Address = 44h) ........................................................................241
Address = 2Ah, PMON PLCP Framing Byte Error Count Register—MSB ..............................................242
Address = 2Bh, PMON PLCP Framing Byte Error Count Register—LSB ...............................................242
Rx PLCP Configuration/Status Register (Address = 44h) ........................................................................243
Bit 1—PLOF Status ......................................................................................................................................243
Bit 2—POOF Status .....................................................................................................................................243
Rx PLCP Configuration/Status Register (Address = 44h) ........................................................................244
Address = 28h, PMON BIP-8 Error Count Register—MSB .......................................................................244
Address = 29h, PMON BIP-8 Error Count Register—LSB ........................................................................244
Bit 3—RAI—Yellow Alarm Indicator ...........................................................................................................245
Rx PLCP Configuration/Status Register (Address = 44h) ........................................................................245
Bits 4 through 7—FEBE ..............................................................................................................................245
Address = 2Ch, PMON PLCP FEBE Count Register—MSB .....................................................................245
Address = 2Dh, PMON PLCP FEBE Count Register—LSB ......................................................................245
UNI Interrupt Status Register (Address = 05h) ..........................................................................................247