PM7340 S/UNI-IMA-8
PRELIMINARY
INVERSE MULTIPLEXING OVER ATM
DATA SHEET
PMC-2001723
ISSUE 3
INVERSE MULTIPLEXING OVER ATM
Figure 20
- Cell Storage Map
Word # 15
Bits
0
Write Pointer + 0
DCB Status[15:0]
DCB Status[31:16]
1
2
Header1
Header2
Header4
3
Header3
4
Reserved
5
STATUS
Payload1
Reserved
Payload2
6
…
…
28 Payload45 Payload46
29 Payload47 Payload48
30
31
Reserved
CRC-16
The clock source drawn in Figure 21 and Figure 22 must be completely skew
aligned between the S/UNI-IMA-8 and the SDRAM clock input pins.
The following diagrams illustrate the various configurations supported:
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE
82
PMC [ PMC-SIERRA, INC ]
