Command Data System (CDS)

  Status

Fully Tested and Functional

 

Main Processor
-Inmos T805 transputer, 20Mhz, 32-bit.
Memory
-128 Mbytes EDAC Protected DRAM
-2 Mbytes Static Memory for Shared Memory Interface (SMI)
DMA
-2 Processor DMA Channels for High Speed Transponder Communications.
-1 Channel for 20 Mbit/Second Link to SEASIS.
Communication
-4 Serial Links for Transponders and Debug Links.
-1 CO11 Serial Link Running at 20 MBit/second for Communication to SEASIS.
Data Acquisition
-4 Channels at 12 Bit A/D with Inputs Selectable via Multiplexers.
-4 Channels at 14 Bit D/A Converter for Magnatorquers and Transponder Control.
Miscellaneous
-Watchdog Timer, 60 Bit Reset PROM's, DRAM Refresh, Parallel Ports.
Power Consumption
-4-5 Watts, Task Dependent.

 

 

CDS PCB after it has been populated and tested.

 

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