PXF4336 Datasheet, PDF (378/425 Pages) Infineon Technologies AG – ABM Premium ATM Buf fer Manager

QS(1:0)
PNSRC
MNUM(3:0)
PNUM(2:0)
ABM-P
PXF 4336 V1.1
Register Description
1
Quarter Segment Check disabled
Quarter Segment
If Quarter Segment Check is enabled, the ABM-P processes only
cells matching the LCI segment:
LCI(15:14) = QS(1:0)
All other cells are forwarded depending on the value found in entry
0 of the LCT table. Default: send to the Common Real-Time Queue
to be processed by a subsequent ABM-P (cascading).
Port Number Source
This bit determines which Port Number field is used for internal
Address Reduction Mode:
0
PN field is taken from the UTOPIA Port number, that
accepted the cell.
1
PN field is taken from the UDF1(5:0) field of the cell
M Parameter
This bit field determines the ranges of VPI and VCI cell header fields
mapped into the LCI in internal Address Reduction mode.
Chapter 3.2.5 provides the details.
P Parameter
This bit field determines the number of port number bits mapped
into the LCI in internal Address Reduction mode.
Chapter 3.2.5 provides the details.
Data Sheet
378
2001-12-17