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   PID: SoupGate-Win32 v1.05   
   XPost: sci.electronics.design   
      
   The Raspberry Pi pico has its 3-pin SWD debug port. I'd like to   
   connect it to the 40-pin header on the back of the Pi400, to use the   
   400 as the dev/debug platform for some RP2040-based boxes.   
      
   Has anyone done this? What Pi400 pins connect to the SWD port?   
      
   Googling doesn't help. I have the RP400 Beginners Guide book and it   
   doesn't mention doing this.   
      
   Anybody have links about doing this?   
      
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