pxf4336 Infineon Technologies Corporation, pxf4336 Datasheet - Page 254

• Manufacturer Part Number: pxf4336
• Description: Abm Premium Atm Buf Fer Manager
• Manufacturer: Infineon Technologies Corporation

ABRen
ABRvp
EPDen
PPDen
Data Sheet
3d
4d
5d
6d
7d
Congestion indication
This bit enables congestion indication marking in user cells (EFCI
marking) within every ABR connection (LCI) that belongs to this
traffic class:
0
1
Note: This ABR function is a buffer manager function and not
Indication for update of RM cells (ABR service category) relating
to the VP or to the individual VC, respectively:
0
1
EPD for the individual traffic class . EPD is used for every
connection (LCI) within that traffic class (see
0
1
PPD for the individual traffic class . PPD is used for every
connection (LCI) within that traffic class (see
0
related to the Enhanced Rate Control (ERC) unit.
TH
TH
TH
TH
TH
Congestion indication disabled.
Congestion indication enabled.
Congestion is indicated via VC RM cells (F5 flow).
VC RM cells are identified with PTI=110 and VCI <> 6.
Congestion is indicated via VP RM cells (F4 flow).
VP RM cells are identified with VCI=6 (regardless of the
value of the PTI field)
Note: According to the standards, VP RM cells MUST
EPD is disabled.
EPD is enabled.
PPD is disabled
i
i
i
i
i
>>4
>>5
>>6
>>7
>>8
have VCI=6 and PTI=110. If cells with PTI=110
and VCI <> 6 are contained in the cell stream they
are ignored. This is the correct behavior for an
ABR VC within an ABR VP.
254
(hysteresis ineffective)
Chapter 3.4.1.6.3
Chapter 3.4.1.6.3
Register Description
PXF 4336 V1.1
TL
TL
TL
TL
TL
i
i
i
i
i
:= 240
:= 248
:= 252
:= 254
:= 256
2001-12-17
ABM-P
):
):