Satellite > Command and Data > On-Board Computer (OBC) > TRISKEL - CubeSat OBC + TTC + OBSW Solution
Summary
The Alén Space TRISKEL is an OBC and TTC solution in a single motherboard with optional closed OBSW for predefined platforms, based on ECSS/ESA PUS standard, or an SDK based on FreeRTOS for custom development.
It is integrated into a single PC104 module and based on a Cortex-M7 microcontroller for both the OBC and TTC.
The system also has different types of sensors integrated to monitor the satellite's voltage, current, temperature sensors, and inertial measurement unit (IMU).
Along with several other functions, the TRISKEL-OBC can also control 3-axis magnetic torquers through PWM signals.
TRISKEL-TTC includes the frontend for UHF with an output power of 30dBm.
Key features
- Packet Utilization Standard (PUS) standard
- Watchdog for single-event upset (SEU) and software error protection
- Radiation-shielded PC/104 board with enhanced thermal stability
- Integrated temperature and current sensors
- 2xmicroSD card slot for massive storage
- Umbilical connector with the following interfaces:
- CAN
- OBC JTAG
- 4xGPIOs
- OBC UART for debugging
- Multipurpose OBC UART
- TTC UART for debugging
- 2xUARTs for payload access
Customizations
Several forms of customization are available on request.
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Last updated: 2024-04-17
Specs
data storage: 1 Gb (NAND)
external ram: 8 Mb (MRAM)
internal ram: 1.4 MB
2 x I2C
3 x RS-422 Full-Duplex
1 x UART for external communication
SPI
RF TX/RX for TTC
PPS
15 x GPIO in different connectors
8 x ADC
6 x PWM over an H-Bridge
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