PM7311 pmc-sierra, PM7311 Datasheet - Page 11

• Manufacturer Part Number: PM7311
• Description: Freedm 84a1024l Assp Telecom Standard Datasheet
• Manufacturer: pmc-sierra

Proprietary and Confidential to PMC-Sierra, Inc., and for its customers’ internal use.
Document No.: PMC-2021832, Issue 2
List of Figures
Figure 1 OC3 Access Card for a Router .....................................................................................26
Figure 2 Block Diagram of FREEDM 84A1024L.........................................................................27
Figure 3 Pin Diagram ..................................................................................................................29
Figure 4 Any-PHY Level 2 Mode Header Segment Transfer – Non Sequenced
Figure 5 Any-PHY Level 2 Mode Segment Transfer – PPP/FR Non-Header
Figure 6 Any-PHY Level 2 Mode Header Segment – PPP (Ingress and Egress) ......................58
Figure 7 Any-PHY Level 2 Mode Header Segment – FR (Ingress and Egress).........................58
Figure 8 Any-PHY Level 2 Mode Header Segment – ML-PPP Fragment Out
Figure 9 Any-PHY Level 2 Mode Header Segment – PPP With Address and
Figure 10 Any-PHY Level 2 Mode Header Segment – PPP With PID Header
Figure 11 Any-PHY Level 2 Mode Header Segment – PPP With Address/Control
Figure 12 Any-PHY Level 3 Mode Segment Transfer – PPP/FR Non-Header
Figure 13 Any-PHY Level 3 Mode Header Segment – FR (Ingress and Egress) ......................61
Figure 14 Ingress Data Flow.......................................................................................................63
Figure 15 Egress Data Flow .......................................................................................................65
Figure 16 HDLC Frame...............................................................................................................71
Figure 17 CRC Generator ...........................................................................................................71
Figure 18 Partial Packet Buffer Structure ...................................................................................72
Figure 19 Encapsulated Chunk Structures (Full = True) ............................................................74
Figure 20 Encapsulated Chunk Structure (Full = False).............................................................75
Figure 21 Linked List Data Structure of a Datagram ..................................................................75
Figure 22 Elements in the Re-sequencing Block ........................................................................76
Figure 23 14-bit Sliding Window Used for Re-sequencing .........................................................77
Figure 24 Elements in the Re-sequencing Block ........................................................................78
Figure 25 - Ingress Queue Manager............................................................................................80
Figure 26 Encapsulated Chunk Structure (Full = True) ..............................................................83
Figure 27 Encapsulated Chunk Structure (Full = False).............................................................83
Figure 28 Linked List Data Structure of a Datagram ..................................................................84
PPP or FR Datagrams (i.e. Control, LCP, NCP Packets) (Ingress and
Egress) ..................................................................................................................................57
Segment (i.e. Not First Segment of a Datagram) or Transparent Mode
(Ingress and Egress) .............................................................................................................57
Mode (Ingress Only) ..............................................................................................................58
Control Field Header Compression (Ingress and Egress) ....................................................59
Compression (Ingress and Egress) .......................................................................................60
Field and PID Header Compression (Ingress and Egress) ...................................................60
Segment or Transparent Mode (Ingress and Egress) ...........................................................61
FREEDM 84A1024L ASSP Telecom Standard Product Data Sheet
Released
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