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doc_urecs:physical_interface [2024/04/05 12:09] – krudoc_urecs:physical_interface [2024/04/05 12:12] (current) – kru
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 ====== Expansion header pinout ====== ====== Expansion header pinout ======
  
-Bold = Default configuration, can be changed via solder jumpers+**Bold** = Default configuration, can be changed via solder jumpers
  
 ^ Signal ^ Pin Nr. ^ Pin Nr. ^ Signal ^ ^ Signal ^ Pin Nr. ^ Pin Nr. ^ Signal ^
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 | SMARC GPIO 8 | 15 | 16 | Jetson GPIO 3 | | SMARC GPIO 8 | 15 | 16 | Jetson GPIO 3 |
 | 3.3 V | 17 | 18 | Jetson GPIO 5 | | 3.3 V | 17 | 18 | Jetson GPIO 5 |
-| **Jetson SPI MOSI**, SMARC SPI MOSI | 19 | 20 | GND | +| **Jetson SPI 0 MOSI**, SMARC SPI 0 MOSI | 19 | 20 | GND | 
-| **Jetson SPI MISO**, SMARC SPI MISO | 21 | 22 | Jetson GPIO 6 | +| **Jetson SPI 0 MISO**, SMARC SPI 0 MISO | 21 | 22 | Jetson GPIO 6 | 
-| **Jetson SPI SCK**, SMARC SPI SCK | 23 | 24 | **Jetson SPI CS0**, SMARC SPI CS0, Jetson GPIO 9 | +| **Jetson SPI 0 SCK**, SMARC SPI 0 SCK | 23 | 24 | **Jetson SPI 0 CS0**, SMARC SPI 0 CS0, Jetson GPIO 9 | 
-| GND | 25 | 26 | **Jetson SPI CS1**, SMARC SPI CS1, Jetson GPIO 10 |+| GND | 25 | 26 | **Jetson SPI 0 CS1**, Jetson GPIO 10 |
 | SMARC GPIO 9 | 27 | 28 | Jetson GPIO 11 | | SMARC GPIO 9 | 27 | 28 | Jetson GPIO 11 |
 | SMARC GPIO 10 | 29 | 30 | GND | | SMARC GPIO 10 | 29 | 30 | GND |