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SEDS Earth, Atmosphere, and Space Imaging System Board (SEASIS)

Status

Fully Tested and Functional

Main Processor

-	Inmos T805 transputer, 20Mhz, 32-bit.

Memory

-	128 MBytes EDAC Protected DRAM
-	2 MByte Static Memory for Shared Memory Interface (SMI)

Communication

4 High Speed Serial Links - 20MBit/Second each:

-	Link 0: Interface to the CDS
-	Link 1-3: Interface to DSP's

Video

-	On-Board 4-Channel (currently only 2 are used: one for the Tele-Photo, and the other for the PAL) NTSC Video Digitizer, upto 20MSPS .

Power Consumption

-	I/O, Cameras, and Motors with separate power-down features.
-	1 Watt in Standby Mode (with DRAM Refresh).
-	3-5 Watts while Digitizing and running user tasks.

I/O Logic

-	Stepper Motors, CCD Camera Functions, Iris Control, Digitizer Controls.

Seasis PCB in testing phase.