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PXF4336 Datasheet, PDF (128/425 Pages) Infineon Technologies AG – ABM Premium ATM Buf fer Manager
ABM-P
PXF 4336 V1.1
Functional Description
3.6.9.5 Common AVT CONFIG Field
The first word (WORD0) of each entry defines the entry type (inactive, ABR, VBR) with
its respective submodes. The mapping of the 7 configuration bits Config(6:0) is
summarized in Table 3-59.
Table 3-59 Config(6:0) Bit Map
Config
field
bit
absolute Function
WORD
bit
Bit 6
Bit 15
ERC enable if ‘1’ then ERC functions enabled
Bit 5
Bit 14
ABR enable ‘1’: ABR Mode
‘0’: VBR Mode
Bit 4
Bit 13
ABR-VS/VD ‘1’: VS/VD Mode
enable;
Core select ‘0’: ER Mode
‘0’: upstream core
1’: downstream core
Bit 3
Bit 12
ABR-FWD
enable;
VBR mode
ER:
‘1’: BRM cell update
‘0’: FRM cell update
VS/VD:
‘1’: downstream rate ctrl.
‘0’: upstream rate ctrl.
‘0’: VBR1
‘1’: VBR2 and VBR3
Bit 2
Bit 11
ABR-BIDIR
enable
‘1’: Bi-directional mode
enabled
’0’: Uni-directional mode
enabled
CLP
(used internally,
default don’t care)
Bit 1
Bit 10
ABR-RSC
enable
‘1’: Reactive Switch
Control enabled
STvalid
(used internally, def. 0)
Bit 0 Bit 9
unused
unused
TETvalid
(used internally, def. 0)
Note: For both ABR-ER and ABR-VS/VD, the configuration bit field Config(6:0) in
WORD8 is ignored and may be set to 0.
Note: Uni-directional mode is not supported in first firmware version.
Data Sheet
128
2001-12-17