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About the ARM JTAG 20 connector

The ARM JTAG 20 connector is a 20-way 2.54mm pitch connector. It can be used in either standard JTAG (IEEE 1149.1) mode or Serial Wire Debug (SWD) mode.

The following figure shows the ARM JTAG 20 connector pinout:

Figure 14. ARM JTAG 20 connector pinout

Figure 14. ARM JTAG 20 connector pinout

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