
XRT7245
DS3 UNI FOR ATM
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PRELIMINARY
REV. 1.03
XVI
Disable the User-Cell Filter .........................................................................................................................260
RxCP Additional Configuration Register (Address = 4Dh) ......................................................................260
Enable the User Cell Filter ..........................................................................................................................260
Example—User Cell Filtering ......................................................................................................................261
Content of Header Byte-1 (of Incoming User Cell) ....................................................................................261
Content of “Rx CP User Cell Filter Mask Header Byte-1 Register ...........................................................261
Content of “Rx CP User Cell Filter Pattern Header Byte-1 Register .......................................................261
Comments ....................................................................................................................................................261
Resulting “User Cell Fiilter” Pattern for Header Byte-1 ...........................................................................261
User Cell Filter Header Byte Pattern Registers .........................................................................................262
Rx CP User Filter Cell Pattern Header—Byte 1 (Address = 58h) ..................................................................262
Rx CP User Filter Cell Pattern Header—Byte 2 (Address = 59h) ..................................................................262
Rx CP User Filter Cell Pattern Header—Byte 3 (Address = 5Ah) ..................................................................262
Rx CP User Filter Cell Pattern Header—Byte 4 (Address = 5Bh) ..................................................................262
User Cell Filter Mask Registers ..................................................................................................................262
Rx CP User Filter Cell Mask Header—Byte 1 (Address = 6Eh) .....................................................................262
Rx CP User Filter Cell Mask Header—Byte 2 (Address = 5Dh) ....................................................................263
Rx CP User Filter Cell Mask Header—Byte 3 (Address = 5Eh) .....................................................................263
Rx CP User Filter Cell Mask Header—Byte 4 (Address = 5Fh) .....................................................................263
How the Receive Cell Processor handles Segment Type OAM Cells .....................................................264
RxCP Configuration Register (Address = 4Ch) .........................................................................................264
How the Receive Cell Processor Handles End-to-End type OAM Cells ..................................................265
Monitoring the Number of User/OAM Cells ...............................................................................................265
PMON Received Valid Cell Count—MSB (Address = 34h) .......................................................................266
PMON Received Valid Cell Count—LSB (Address = 35h) ........................................................................266
PMON Discarded Cell Count—MSB (Address = 36h) ...............................................................................266
PMON Discarded Cell Count—LSB (Address = 37h) ................................................................................266
RxCP Configuration Register (Address = 4Ch) .........................................................................................267
The Receive Cell Processor’s Handling of the Data Path Integrity Test pattern ...................................267
RxCP Configuration Register (Address = 4Ch) .........................................................................................267
UNI Interrupt Status Register (Address = 05h) ..........................................................................................268
Rx CP Interrupt Status Register (Address = 4Ch) .....................................................................................269
Bit 0—HEC Byte Error Interrupt Status ......................................................................................................269
Bit 1—“Change in LCD (Loss of Cell Delineation) State” Interrupt Status .............................................269
Bit 2—Received OAM Cell Interrupt Status ...............................................................................................269
Receive UTOPIA Interface Block .................................................................................. 269
RxData[15:0]—Receive UTOPIA Data Bus Outputs ..................................................................................272
RxAddr[4:0]—Receive UTOPIA Address Bus Inputs ................................................................................272
RxClk—Receive UTOPIA Interface Block—Clock Signal Input Pin .........................................................272
RxEnB*—Receive UTOPIA Data Bus—Output Enable Input ....................................................................272
RxPrty—Receive UTOPIA—Odd Parity Bit Output Pin .............................................................................272
RxSoC—Receive UTOPIA—“Start of Cell” Indicator Output Pin .............................................................272
RxClav/RxEmptyB*—Rx FIFO Cell Available/RxEmpty* ...........................................................................272
UTOPIA Configuration Register: (Address = 6Ah) ....................................................................................272
UTOPIA Configuration Register: (Address = 6Ah) ....................................................................................273