Pumpkin Motherboard Module (MBM)
Pumpkin Space Systems
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The Motherboard Module 2 (MBM 2) is part of the CubeSat Kit nanosatellite architecture and is Pumpkin's standard flight computer in the SUPERNOVA spacecraft product line. The MBM 2 host the BeagleBone Black (BBB) as a single CSK compatible module. The MBM 2 w/ BBB fully supports 4.5x UART, an I2C bus, 6x GPIO, USB host, USB device and 10/100Ethernet communications. Also supported are RS-422 + LVTTL SPI/UART/GPIO PHY for transceiver interfaces.
When installed onto an MBM 2, the BBB interfaces to the CSK electrical bus via standardized signals. Additional features like a Real-Time Clock (RTC) with battery backup and a full-size SD Card operating in SPI mode are also provided. Four and a half UARTs (two with -CTS/-RTS flow control), one SPI, one I2C, five general-purpose outputs and one general-purpose input are mapped between the BBB and the CSK bus connector. Additionally, seven dedicated analog inputs are mapped from the CSK bus connector to the BBB’s analog inputs.
Motherbaord Module 2
| Parameter | Value |
|---|---|
| Interface | RS422 |
| Interface | I/O pins |
| Interface | I2C |
| Interface | UART |
| Interface | PC/104 |
| Interface | MMC/SD-Card |
| Required | BeagleBone Black module |
| Interface | USB |
| Interface | Ethernet |
| Capability | RTC |
| Type | Flight Hardware |
| Mass | 31 g |
The Motherboard Module 2 (MBM 2) is part of the CubeSat Kit nanosatellite architecture and is Pumpkin's standard flight computer in the SUPERNOVA spacecraft product line. The MBM 2 host the BeagleBone Black (BBB) as a single CSK compatible module. The MBM 2 w/ BBB fully supports 4.5x UART, an I2C bus, 6x GPIO, USB host, USB device and 10/100Ethernet communications. Also supported are RS-422 + LVTTL SPI/UART/GPIO PHY for transceiver interfaces.
When installed onto an MBM 2, the BBB interfaces to the CSK electrical bus via standardized signals. Additional features like a Real-Time Clock (RTC) with battery backup and a full-size SD Card operating in SPI mode are also provided. Four and a half UARTs (two with -CTS/-RTS flow control), one SPI, one I2C, five general-purpose outputs and one general-purpose input are mapped between the BBB and the CSK bus connector. Additionally, seven dedicated analog inputs are mapped from the CSK bus connector to the BBB’s analog inputs.
Motherbaord Module 2
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