PM7340 S/UNI-IMA-8
PRELIMINARY
INVERSE MULTIPLEXING OVER ATM
DATA SHEET
PMC-2001723
ISSUE 3
INVERSE MULTIPLEXING OVER ATM
Table RDAT Link Sequence Memory
Bits
Parameter
Description
9
msg_status
RDAT message FIFO status. This bit is set by the
RDAT when a message for this link is written to the
RDAT message FIFO. The bit is cleared when a
command for this link is written to the RDAT message
clear command register.
8
7:0
Reserved
Reserved
Receive ICP Cell Buffer
The ICP cell buffer contains the most recently received non-errored ICP cell for
each link. This buffer is provided for the RIPP, but is also read accessible from
the microprocessor. Each buffer is 32 bits wide by 16 words, and is addressed by
the physical link number.
MEM_ADDR = (Physical Link Number X 16) + Word Offset
Table 27
Receive ICP Cell Buffer Structure
Word Bits
Parameter
Description
icp_data
Octets 6-53 of the payload contained in the last
non-errored ICP cell for this link.
31:24
23:16
15:8
7:0
0
1
2
3
4
5
6
7
Octet 6
Octet 7
Octet 8
Octet 12
Octet 16
Octet 20
Octet 24
Octet 28
Octet 32
Octet 36
Octet 9
Octet 13
Octet 17
Octet 21
Octet 25
Octet 29
Octet 33
Octet 37
Octet 10
Octet 14
Octet 18
Octet 22
Octet 26
Octet 30
Octet 34
Octet 11
Octet 15
Octet 19
Octet 23
Octet 27
Octet 31
Octet 35
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE
230
PMC [ PMC-SIERRA, INC ]
