PICMG 3.0 R3.0 AdvancedTCA Base Specification RC 1.1 February 19, 2008 xvii
Do Not Design To/Do Not Claim Compliance To/Do Not Distribute This Specification
Contents
5-3 Example of Front Board cooling needs.................................................................................5-6
5-4 Example of RTM cooling needs............................................................................................5-9
5-5 Example Slot fan flow curves for Slot 1 ..............................................................................5-14
5-6 Inlet airflow distribution for a single Slot .............................................................................5-15
5-7 Board, Shelf, and Frame volumetric flow............................................................................5-23
5-8 Thermal analysis process flow chart...................................................................................5-26
5-9 Example of Slot operating point..........................................................................................5-28
5-10 Temperature Rise Graphs ..................................................................................................5-29
6-1 Data transport connector zone .............................................................................................6-2
6-2 Backplane .............................................................................................................................6-3
6-3 Dual Star Topology ...............................................................................................................6-4
6-4 Mesh topology ......................................................................................................................6-5
6-5 3-plane switch topology ........................................................................................................6-6
6-6 Typical end-to-end differential signal connection..................................................................6-8
6-7 Test point locations...............................................................................................................6-9
6-8 Backplane eye openings.......................................................................................................6-9
6-9 Base Interface Channel/Port allocation ..............................................................................6-15
6-10 Fabric Interface Channel/Port allocation.............................................................................6-16
6-11 Channel assignments - Logical Slots 1 and 2.....................................................................6-17
6-12 Base Interface Channel and ShMC Port assignments .......................................................6-27
6-13 ShMC Cross-connects between Shelf Managers and Base Hub Boards...........................6-29
6-14 Example of Base Channel routing ......................................................................................6-32
6-15 Example Dual Star System with different Physical and Logical Slot positions ...................6-33
6-16 Channel test points .............................................................................................................6-34
6-17 Termination.........................................................................................................................6-35
6-18 Full Channel routing example .............................................................................................6-36
6-19 CLK1 A-to-B and B-to-A clock skew requirements .............................................................6-52
6-20 Update Channel routing example .......................................................................................6-59
6-21 Example: Update Channel connection single wide and double wide Boards .....................6-59
8-1 Advanced Differential Fabric (ADF) connector routing example...........................................8-3
8-2 Edge coupled Backplane single strip line for FR4 dielectric .................................................8-4
8-3 Fabric Interface trace length matching .................................................................................8-5
8-4 Backplane structure modeled for insertion loss....................................................................8-7
8-5 Tyco and Cutler simulated insertion loss of the Full Mesh longest Link ...............................8-8
8-6 Short Link (0.8 inch BP and 3 inch cards) insertion loss ......................................................8-9
8-7 Insertion loss limits for PICMG® 3.0...................................................................................8-10
8-8 Edge coupled Backplane single strip line for 130 W differential clocks ..............................8-11
8-9 Synchronization Clock routing ............................................................................................8-12
8-10 Loosely coupled trace length matching ..............................................................................8-15
8-11 Gradual length matching (loose coupling) ..........................................................................8-15
A-1 Sample part number with explanation ................................................................................ A-4
A-2 Examples of complete modular connector arrangements ................................................... A-5
A-3 View of Zone 2 Connectors with common features ............................................................. A-6
A-4 Zone 2 Connector mating sequence.................................................................................... A-7
A-5 Dimensional drawing of Zone 2 Backplane Connector........................................................ A-8
A-6 Contact geometry for Zone 2 Backplane Connector............................................................ A-9
A-7 Dimensional drawing of Zone 2 Front Board Connectors.................................................. A-10
A-8 Hole requirements for Backplane connector...................................................................... A-11
A-9 Backplane pin contact positional tolerance........................................................................ A-12
A-10 Front Board connector mounting ....................................................................................... A-12