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Diamond Point International

Aitech S730 - Radiation Tolerant SpaceWire PMC

Provides Three 400Mbps FireWire Ports, 12 RS-422 Input and 12 RS-422 Output Channels and FPGA for Custom Data Interfaces


The S730 SpaceWire PMC Card offers three SpaceWire ports with a 32-bit PCI initiator and target capability. It also has provisions to add on two RS422 serial interfaces and 32 GPIOs for system communication. It uses BAR0 for configuration and status registers, controlling a variety of I/O functions via registers in its assigned PCI memory space, BAR1 to access the DMA Controller registers, and BAR2 to access the on-board 128MBytes volatile memory. The S730 PMC does not use PCI I/O space. The PCI bus and control functions are implemented in an anti-fuse FPGA device. The board level components consist of the following:

  • FPGA for logical functions which includes a PCI Target/Initiator, three SpaceWire CODECs, Time Code Manager, Memory Controller, DMA Controller and Manager as well as Control and Status registers
  • Power Supply, Clock Oscillator and Low-skew Clock Driver (to supply clocks)
  • 128MBytes of memory for packet buffering
  • LVDS Driver and Receiver for SpaceWire protocol
  • Provisional RS422 Driver and Receiver (not included in standard version)
  • Provisional 32-bit 5V Tolerant Transceivers for GPIO (not included in standard version)



Features• Designed to Operate and Host on the S950 Single Board Computer (SBC)
• Three (3) SpaceWire Full Duplex Ports – All Three (3) Ports are Brought Out of the Front Panel in the 100-series Engineering Model
• SpaceWire Ports are ESA ECSS-E-50-12C Compliant
• DMA Engine for Data Transfer To and From the SBC via the Local PCI Bus
• Each SpaceWire Port can be Enabled or Disabled Independently
• Each SpaceWire Port can Independently Receive and Transmit Packets to the SBC
• Each SpaceWire Port can be Configured with Selectable Clock Frequencies of up to 100 MHz
• Timecode can be Responded to or Generated by each SpaceWire Port
• Rear I/O via the SBC to the CompactPCI Backplane for the Conduction-Cooled Configuration
• 32-bit PCI 2.2 Compliant PCI Master/Slave Interface at 33.333 MHz
• Nominal Power Consumption is Estimated at Less Than 5 Watts (for SpaceWire only)
• Designed to Operate with a Minimum TID of Over 100 krad (Si) in the Flight Model


Expansion32-bit PCI 2.1 compliant cPCI interface at 33.333 MHz
ElectricalThe S730 draws most of its power from +3.3Vdc
• +3.3V (±5%) 1.5 A (typical)
• +5V (±5%) 0 A (typical)
MechanicalThe S730 is available in a conduction cooled form factor per ANSI/VITA20-2001 for installation on top of the S950 or CM950.
Conformal CoatingConformal optional (series 100), standard (series 200/500). Acrylic or Silicone
SoftwareN/A - transparent to operating system
TemperatureSeries-100 Lab Grade EDU
• Temperature range (operation): 0 to +55°C
• Temperature range (storage): -40 to +85°C

Series-200 Qual Unit
• Temperature range (operation): -40 to +71°C
• Temperature range (storage): -50 to +100°C

Series-500 Radiation Tolerant Flight Unit
• Temperature range (operation): -40 to +65°C (space vacuum)
• Temperature range (storage): -62 to +125°C

Ruggedization level is determined in the part numbering scheme - refer to datasheet for further details
HumiditySeries-100 Lab Grade EDU: 0-90%
Series-200 Qual Unit: 0-100% (coating as standard)
Series-500 Radiation Tolerant Flight Unit: 0-100% (coating as standard)
AltitudeSeries-100 Lab Grade EDU: 15,000ft
Series-200 Qual Unit: 70,000ft
Series-500 Radiation Tolerant Flight Unit: 10 to the -4 Torr
VibrationSeries-100 Lab Grade EDU:
• Random (g2/Hz): 20-2000Hz/0.02 g2/Hz
• Sine (g PEAK): 10-100Hz/2g

Series-200 Qual Unit:
• Random (g2/Hz): 20-2000Hz/0.1 g2/Hz
• Sine (g PEAK): 50-500Hz/10g

Series-500 Radiation Tolerant Flight Unit:
• Conduction-cooled: Random (g2/Hz): 20-2000Hz/0.1 g2/Hz
• Conduction-cooled: Sine (g PEAK): 50-500Hz/10g
ShockSeries-100 Lab Grade EDU: 20g/6mS
Series-200 Qual Unit: 40g/11ms, 100g/6ms
Series-500 Radiation Tolerant Flight Unit: 40g/11ms, 100g/6ms (pyro-shock 875g)
Warranty1 Year

Ordering Details

BoardRefer to datasheet for ordering part number scheme