3.2.2.2 Jumper Configurations

The following table describes the functionality of the jumpers.

Table 3-7. Jumper Configuration
Jumper	Label	Default Setting	Function
J3	ERASE	Open	SAMG55J19 Flash memory code erase (closed = erase).
J2	PROG	Open	SAMG55J19 Flash memory upgrade (closed = programming).

Note: Pitch jumpers are 1.27 mm (0.050").

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