Summary

The Nano-Satellite Processor Unit (NANOSATPRO) is a high-performance onboard computer (OBC) that is compatible with nano-satellite platforms for advanced space missions. It is a control unit that has high fault tolerance and processing power speciļ¬cations for difficult space conditions. As a target, NANOSATPRO is designed to be operational in a low earth orbit (LEO) for at least two years. NANOSATPRO has an operating system running on an FPGA (soft processor-based) and supports the most commonly used interfaces (UART, RS485, CAN, SPI, I2C, etc.) in nanosatellite platforms. With its modular design, it easily adapts to the connection constraints of the target platform. Single Event Effects (SEE) protection is provided through the use of a Fault Tolerant (FT-LEON3) processor core, Triple Modular Redundancy (TMR) in FPGA, Error Detection and Correction (EDAC) in memory units, Watchdog on software, Latch-up Current Limiter (LCL) in power units.

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Last updated: 2021-09-27

NANOSATPRO Space Qualified Processor Unit

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Specs

processor
8051 Softcore / Leon3 Fault-Tolerant Processor
processor clock
48 MHz
SDRAM
32 MB (Post-EDAC)
nominal power consumption
1.5 W
input voltage
4.5 to 5.5 V
data interface
1x I2C (400 kbps)
2x CAN (1 Mbps)
3x RS485 UARTs
8x GPIO (3.3 V logic)
1x SPI (10 Mbps)
mass
100 g
height
18.21 mm
length
95.90 mm
width
90.18 mm
operating temperature
-40 to 85 C
radiation tolerance
30 krad

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