OBCM - Satellite On-Board Computer Module

CAVU OBCM is a FPGA-based state-of-the-art computing system that is highly reliable and efficient. Its advanced technology ensures smooth and uninterrupted operation during the most critical space missions. With flexible architecture, it can be easily scaled up with the same module to make a redundant satellite computer.

In essence, this powerful computer system offers a host of features and benefits that make it a go-to choice for space operations.

Features:

  • Expected Life-time: 3-5 years in LEO
  • On-Board Current & Temperature Monitoring
  • On-Board Watchdog
  • Triple Real Time Clock
  • Hot Redundant On-Board Voltage Converters
  • Scalable for Dual Redundancy with Same Module
Specifications
Processor:
ARM Cortex-M3 on FPGA
FPGA 1:
Microchip/Microsemi SmartFuion2 Flash Based FPGA
FPGA 2:
Microsemi ProASIC3 Flash Based FPGA for Interface
Processor Performance:
150 DMIPS @ 128MHz
Programming and Debug:
SoftConsole/Keil via JTAG
RAM:
160Mbits MRAM 40 bits width (128Mbits+32Mbits ECC)
ROM:
96Mbits MRAM (Configurable as Triple 32Mbits)
Nonvolatile Flash Memory:
Total 24Gbit SLC NAND Flash (Triple 8G)
FRAM:
256K Serial
NOR:
256M Serial
Radiation:
30 Krad/year Total Ionizing Dose
Latchup:
SEE @60 MeV
Operating Temperature Range:
-40C to 85˚C @10^-8 torr
Mass:
1000 g
Dimensions:
203 x 175 x 22 mm^3
Digital Outputs (5V/3.3V):
100
Digital Inputs (5V/3.3V):
90
PWM/Pulse Outputs (5V/3.3V):
10
Serial Interface:
CAN2.0 up to 1Mbps (x5)
Serial Interface:
Full-Duplex RS422 (x8)
Serial Interface:
Half-Duplex RS485 (x8)
Serial Interface:
RS232 (x1)
Serial Interface:
I2C (x1)
Serial Interface:
SPI (x1)
Voltage input:
5V +/-5%
Power Consumption:
1.5W to 3W
Expected Life-time:
3 to 5 year in LEO
Random Vibrations:
14g(RMS) 3-Axis, 20~2,000 Hz
Shock:
2,000 g, 2,000 to 10,000 Hz
Documents