PM7340 S/UNI-IMA-8
PRELIMINARY
INVERSE MULTIPLEXING OVER ATM
DATA SHEET
PMC-2001723
ISSUE 3
INVERSE MULTIPLEXING OVER ATM
Register 0x308: RDAT Configuration
Bit
Type
Function
Default
15
R/W
RDAT_ENABLE
Unused
GAMMA
BETA
0
0
1
2
2
14:8
7:5
4:2
1:0
R/W
R/W
R/W
ALPHA
ALPHA:
ALPHA represents the number of consecutive invalid ICP cells which will
cause the IFSM to transition from the IMA Sync state to the IMA Hunt state.
Value
Definition
0
Undefined
1-2
Number of consecutive
invalid ICP cells
3
Undefined
BETA:
BETA represents the number of consecutive errored ICP cells which will
cause the IFSM to transition from the IMA Sync state to the IMA Hunt state.
Value
Definition
0
Undefined
1-5
Number of consecutive
errored ICP cells
6-7
Undefined
GAMMA:
GAMMA represents the number of consecutive valid ICP cells which will allow
the IFSM to transition from the IMA PreSync state to the IMA Sync state.
GAMMA+2 also represents the number of frames the IESM will wait after
detecting OIF before entering the LIF state.
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE
234
PMC [ PMC-SIERRA, INC ]
