PM7340 S/UNI-IMA-8
PRELIMINARY
INVERSE MULTIPLEXING OVER ATM
DATA SHEET
PMC-2001723
ISSUE 3
INVERSE MULTIPLEXING OVER ATM
MEM_ADDR = (Physical Link Number x 2) + Word Offset
Table 26
RDAT Link Context Record
Word Bits
Parameter
Description
0
31
lcd_latch
Loss of Cell Delineation Defect latched status.
This status is maintained by the RDAT to report
occurrences of LCD on this link. This bit will be
set when an LCD defect is detected (as reported
in the HEC field), and will be cleared by the RDAT
when a valid ICP cell is received. The bit may
remain set if the LCD condition persists.
30
29
overrun_latch
DCB Overrun latched status. This status is
maintained by the RDAT to report occurrences of
DCB overrun. This bit will be set when a DCB
overrun is detected, and will be cleared by the
RDAT when a valid ICP cell is received. The bit
may remain set if the overrun condition persists.
underrun_latch DCB Underrun latched status. This status is
maintained by the RDAT to report occurrences of
DCB underrun. This bit will be set when a DCB
underrun is detected (by the cell reader process),
and will be cleared by the RDAT when a valid ICP
cell is received. The bit may remain set if the
underrun condition re-occurs.
28: 25
24:15
Reserved
Reserved
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE
225
PMC [ PMC-SIERRA, INC ]
