PM7340 S/UNI-IMA-8
PRELIMINARY
INVERSE MULTIPLEXING OVER ATM
DATA SHEET
PMC-2001723
ISSUE 3
INVERSE MULTIPLEXING OVER ATM
23:22
GROUP_SYM_MO
DE
Group symmetry mode. This is
programmed by PM during group
configuration. It is then used by RIPP
to compare against the Group
Symmetry mode field in the incoming
ICP cells during group start-up
process. If the two values do not
match, the start-up process will be
aborted.
The supported values for this field are:
“00”: Symmetrical configuration and
operation
“10”: Symmetrical configuration and
asymmetrical operation
“10”: Asymmetrical configuration and
asymmetrical operation
“11”: Reserved
21
20
19
GROUP_ICP_FWD Group ICP cell forwarding enable.
_EN
‘0’: Disable ICP cell forwarding to PM.
‘1’: Enable ICP cell forwarding to PM.
An interrupt will be generated upon
each ICP cell to be forwarded to PM,
and the content of the ICP cell will be
copied to microprocessor’s directly
accessible registers.
Group_ICP_FWD_Fi Group ICP cell forwarding filtering
lter
enable.
‘0’: No filtering. All ICP cells from
RDAT will be forwarded to PM.
‘1’: Filtering. RIPP will filter out the ICP
cells which carry no new information
(determined by the SCCI field) before
forwarding to PM.
IMA_10_ENABLE
IMA version 1.0 style link state
reporting enable. This field selects
how the link state field in the incoming
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153
PMC [ PMC-SIERRA, INC ]
