OBC On-Board Computer
C3S LLC
Single-point-failure tolerant ARM Cortex-M7 OBC with cold redundancy, 16 GB eMMC, 16 MB MRAM, and CAN bus interface running FreeRTOS. Flight-proven on RadCube (2021).
Technical specifications
- MCU
- 32-bit ARM Cortex-M7, up to 300 MHz
- Performance
- 642 DMIPS
- Program Memory
- 2 MB flash
- Mass Storage
- 16 GB eMMC + 16 MB MRAM
- Command Bus
- 2x CAN bus
- Data Bus
- 4x M-LVDS
- OS
- FreeRTOS
- Power Supply
- 3.3 V
- Power Consumption
- 460 mW nominal
- Mass (without daughterboard)
- 65 g
- Dimensions
- 92 x 89.5 x 12.3 mm
- Operating Temperature
- -40 to +85 deg C
About
The C3S OBC is a single-point failure tolerant on-board computer with cold redundancy architecture. Based on a 32-bit ARM Cortex-M7 MCU running at up to 300 MHz (642 DMIPS), it features 16 GB eMMC mass storage, 16 MB MRAM, 2 CAN bus interfaces, and 4 M-LVDS data buses. Runs FreeRTOS with in-flight firmware update support. Flight heritage on RadCube (2021). ESA-approved ICD. Available with optional daughterboard for memory expansion.
Documentation
No public datasheet yet — request the datasheet / ICD from the supplier.
