PMC-Sierra, Inc.
S
TANDARD
P
RODUCT
ISSUE 2
PM5543 SARD
SONET/SDH 155Mbit/s ADM Reference Design
TUDX1 from TIMING CONTROL(TC) Interface .................................. 23
TUDX2 from TIMING CONTROL(TC) Interface .................................. 23
19.44MHz System Clock Distribution Interface ...................................23
TIMING CONTROL(TC) Interface ....................................................... 23
Ring Expansion Interface ....................................................................24
Mapper Interface ................................................................................. 26
STXC and TUPP-Plus Status LED Display ......................................... 29
SPTX status LED Display ....................................................................29
SOFTWARE INTERFACE DESCRIPTION ................................................. 30
SARD General Registers..................................................................... 31
STXC Registers ................................................................................... 33
SPTX Registers ................................................................................... 34
TUPP & TUPP-Plus Registers............................................................. 36
TUDX1 Registers................................................................................. 38
TUDX2 Registers................................................................................. 38
On Board PROM ......................................................................................... 40
D.C. CHARACTERISTICS .......................................................................... 53
REFERENCES ............................................................................................54
APPENDIX 1: SPECIAL LAYOUT CONSIDERATIONS ............................. 55
High Speed Signal Termination ...........................................................55
Trace Impedance Control .................................................................... 55
Routing ................................................................................................ 57
Termination.......................................................................................... 57
Power and Ground Plane Noise Decoupling ....................................... 59
APPENDIX 2: BILL OF MATERIAL ............................................................. 61
APPENDIX 3: SCHEMATICS ...................................................................... 65
APPENDIX 4: OTHER LAYOUT DRAWINGS............................................. 66
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PMC [ PMC-SIERRA, INC ]
