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interfaces:usbocdh [2022/11/21 17:37] – [Pinout] darroninterfaces:usbocdh [2022/11/24 06:44] (current) – darron
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 ====Olimex USB OCD H==== ====Olimex USB OCD H====
 +<wrap right>
 +{{interfaces:usbocdh.jpg?200}}
 +\\ \\
 +{{interfaces:openocd-jtag-layout.png?200}}
 +\\ \\
 +{{tools:jtag-reverse-adapter.jpg?200}}
 +</wrap>
  
 +ARM JTAG programming and debugging interface which can also supply 5V power from USB and
 +provide a standard RS232 serial interface.
 +
 +See the [[:boards:due|Arduino due]] (clone pictured) for the command line operation.
 ===Pinout=== ===Pinout===
  
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 19 5V       20 GND 19 5V       20 GND
  
-Pin 19=5V if VREF=0V+Pin 19=5V if VREF=NC
 </code> </code>
  
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 </code> </code>
 ===Resources=== ===Resources===
 +
 +[[https://www.olimex.com/Products/ARM/JTAG/ARM-USB-OCD-H/|Product page]]
  
 [[https://www.olimex.com/Products/ARM/JTAG/_resources/ARM-USB-OCD_and_OCD_H_manual.pdf|User manual]] [[https://www.olimex.com/Products/ARM/JTAG/_resources/ARM-USB-OCD_and_OCD_H_manual.pdf|User manual]]