CDH-1 Command and Data Handling
CAVU Aerospace
FPGA-based CDH subsystem with 128-channel 16-bit ADC card, 5 CAN buses, 8 RS422/RS485 channels, and 100 digital outputs for demanding space mission control.
Technical specifications
- Processor
- ARM Cortex-M3 on SmartFusion2 + ProASIC3 FPGAs
- Performance
- 150 DMIPS @ 128 MHz
- RAM
- 160 Mbit MRAM (128 Mbit + 32 Mbit ECC)
- NAND Flash
- 24 Gbit SLC
- ADC
- 128 channels x 16-bit
- Digital I/O
- 100 outputs + 90 inputs
- CAN 2.0
- 5x
- RS422 / RS485
- 8x each
- Dimensions
- 205 x 180 x 38 mm
- Mass
- 1550 g
- Power Consumption
- 3-5 W
- Input Voltage
- 5V +/-5%
- Radiation TID
- 30 krad (Si)/yr
- Operating Temperature
- -40 to +85 deg C
- LEO Lifetime
- 3-5 years
About
The CAVU CDH-1 is a highly reliable, FPGA-based satellite command and data handling subsystem designed for critical space missions. Features flexible architecture for easy scalability and redundancy. Includes a dedicated 128-channel Analog to Digital Converter card. Built on Microchip/Microsemi SmartFusion2 and ProASIC3 FPGAs with ARM Cortex-M3 core. Provides full I/O coverage with 5 CAN buses, 8 RS422 and RS485 channels, 100 digital outputs, and 90 digital inputs.
Documentation
No public datasheet yet — request the datasheet / ICD from the supplier.
