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About the ARM JTAG 20 connector

The ARM JTAG 20 connector is a 20-way 2.54mm pitch connector. You can use it 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 2-6 ARM JTAG 20 connector pinout

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