Corp. SpaceWire Router User Manual

Ref.:
UoD_SpW-10X_
UserManual
Issue:
3.4
SpW-10X
SpaceWire Router
User Manual
Date:
11
th
July 2008
Preliminary
10
I LIST OF FIGURES
FIGURE 2-1 STAND-ALONE ROUTER...................................................................................................................... 16
FIGURE 2-2 NODE INTERFACE................................................................................................................................17
FIGURE 2-3 EMBEDDED ROUTER ........................................................................................................................... 18
FIGURE 2-4 EXPANDING THE NUMBER OF SPACEWIRE PORTS (1).......................................................................... 19
FIGURE 2-5 EXPANDING THE NUMBER OF SPACEWIRE PORTS (2).......................................................................... 20
FIGURE 3-1 SPACEWIRE ROUTER BLOCK DIAGRAM ............................................................................................... 22
FIGURE 5-1 LVDS RECEIVER FAIL-SAFE RESISTORS ............................................................................................ 35
FIGURE 5-2 CONFIGURATION INTERFACE TIMING SPECIFICATION .......................................................................... 42
FIGURE 5-3 PLL WITH EXTERNAL COMPONENTS.................................................................................................... 46
FIGURE 6-1 EXTERNAL PORT WRITE TIMING SPECIFICATION .................................................................................. 47
FIGURE 6-2 EXTERNAL PORT READ TIMING SPECIFICATION.................................................................................... 48
FIGURE 6-3 TIME-CODE INPUT INTERFACE ............................................................................................................ 48
FIGURE 6-4 TIME-CODE OUTPUT INTERFACE ........................................................................................................ 49
FIGURE 6-5 TIME-CODE RESET INTERFACE............................................................................................................. 49
FIGURE 6-6 STATUS MULTIPLEXER OUTPUT INTERFACE ........................................................................................ 49
FIGURE 6-7 RESET CONFIGURATION INTERFACE TIMING SPECIFICATION................................................................ 51
FIGURE 7-1 NORMAL ROUTER DATA PACKETS ....................................................................................................... 55
FIGURE 7-2 COMMAND PACKET FORMAT .............................................................................................................. 55
FIGURE 7-3 READ SINGLE ADDRESS COMMAND FORMAT ..................................................................................... 57
FIGURE 7-4 READ SINGLE ADDRESS REPLY PACKET FORMAT............................................................................... 59
FIGURE 7-5 READ INCREMENTING ADDRESS COMMAND FORMAT......................................................................... 62
FIGURE 7-6 READ INCREMENTING ADDRESS REPLY PACKET FORMAT .................................................................. 64
FIGURE 7-7 READ-MODIFY-WRITE COMMAND PACKET FORMAT ......................................................................... 66
FIGURE 7-8 READ-MODIFY-WRITE EXAMPLE OPERATION ..................................................................................... 68
FIGURE 7-9 READ-MODIFY-WRITE REPLY PACKET FORMAT ................................................................................ 69
FIGURE 7-10 WRITE SINGLE ADDRESS COMMAND PACKET................................................................................... 71
FIGURE 7-11 WRITE SINGLE ADDRESS REPLY PACKET ......................................................................................... 73
FIGURE 7-12 SOURCE PATH ADDRESS FIELD DECODING ........................................................................................ 78
FIGURE 7-13 SOURCE PATH ADDRESSES IN REPLY PACKET .................................................................................. 78
FIGURE 7-14 NORMAL CONFIGURATION PACKET HEADER STRUCTURE ................................................................ 78
FIGURE 7-15 FILL BYTES CONFIGURATION HEADER STRUCTURE.......................................................................... 78
FIGURE 8-1 DEACTIVATE DRIVER OPERATING MODE ............................................................................................. 81
FIGURE 8-2 DEACTIVATED LDVS DRIVER OUTPUT................................................................................................ 81
FIGURE 8-3 DEACTIVATED LDVS DRIVER OUTPUT CONNECTED TO EXTERNAL BIAS NETWORK ON LVDS INPUT.. 82
FIGURE 8-4 START ON REQUEST MODE .................................................................................................................. 85
FIGURE 8-5 DISABLE ON SILENCE MODE................................................................................................................ 86
FIGURE 8-6 ARBITRATION OF TWO PACKETS WITH MATCHING PRIORITY. .............................................................. 87
FIGURE 8-7 ARBITRATION OF THREE PACKETS WITH MATCHING PRIORITY ............................................................ 88