CAVU Aerospace UK Ltd

Satellite On-Board Command & Data Handling Subsystem with Redundancy

PIONEERING SPACECRAFT COMPUTING

The CAVU CDH-1 is a highly reliable and efficient FPGA-based satellite computing system that has been designed with utmost attention to detail. This state-of-the-art system ensures smooth and uninterrupted operation during critical space missions with its flexible architecture that allows for easy scalability and redundancy. The CDH-1 is also equipped with a smart 128CH Analog to Digital Converter card that enhances its capabilities and makes it a top choice for space operations.

KEY FEATURES

Flash Based FPGA Architecture
Separate ADC/DAC Module
Double Hot Redundant ADC Converters
Configurable to more than 1 Module as Redundant:
CDH-FS
Up to 3 Selectable Boot Regions from Bootloader
Fully Customizable

INTELLIGENT REDUNDANCY

With precise timing, high throughput, and low power consumption, this powerful computer system can withstand a variety of space
environments and guarantee smooth running of your satellite payload. Its advanced features provide automatic system recovery and self-diagnosis, which ensure that your deep-space mission stays on track. With the CAVU CDH-1, you can focus on your space operations and rest assured that your satellite computing needs are in good hands.

ADVANCED SATELLITE COMMAND CONTROL

The CAVU CDH-1 spacecraft module, utilizing advanced Microchip/Microsemi SmartFusion2 & ProASIC3 Flash Based FPGA design, is resilient to space hazards and energy-efficient. It’s designed to meet the intricate needs of the satellite industry, offering precise control for satellite systems and supporting a wide range of interfaces and GPIOs. The module allows customization to meet unique specifications, representing the forefront of satellite technology.

SPECIAL 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

PROCESSOR

ARM Cortex-M3 on FPGA
Microchip/Microsemi SmartFuion2 Flash Based FPGA
Microsemi ProASIC3 Flash Based FPGA for Interaface
FPU on FPGA Upon Request
150 DMIPS @ 128MHz
SoftConsole or Keil Programming and Debug via JTAG

MEMORY

RAM: 160Mbits MRAM 40 bits width (128Mbits+32Mbits ECC)
ROM: 96Mbits MRAM (Congurable as Triple 32Mbits)
Nonvolatile Flash Memory:
Total 24Gbit SLC NAND Flash (Triple 8G)
256K Serial FRAM
256M Serial NOR

ENVIRONMENT

Radiation Hardness:
Total Ionizing Dose: 30Krad (Si)/yr
Latch-up Immune
SEE @ 60MeV
Temperature & Pressure:
-40 C to +85 C @ 10 bar
Shocks:
2000g, 2000-10000Hz
Random Vibrations:
14g(RMS) 3-Axis , 20~2000Hz

INTERFACES

DIGITAL/ANALOG
Digital Outputs (5V/3.3V) : 100
Digital Inputs (5V/3.3V) : 90
PWM/Pulse Outputs (5V/3.3V) : 10
16bits Analog To Digital Converter (-10V~+10V) : 128
Digital To Analog Converter (0V~5V) : 2

SERIAL

CAN2.0 Up to 1Mbps : 5
Full-Duplex RS422 : 8
Half-Duplex RS485 : 8
RS232 :1
I2C : 1
SPI : 1

BUDGET

Dimensions: 205x180x38mm
Mass: 1550gr
Power Supply: 5V ±5%
Power Consumption: 3W ~ 5W