ambiq micro Apollo2 Blue Quick Start Manual - Page 9
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Apollo2 Blue EVB Quick Start Guide
Figure 4. Apollo2 Blue EVB's Cortex DEBUG IN Header (J3)
No jumper changes are required to use an external debug adapter. Simply connect the external debug
adapter with a 10-pin ribbon cable connector to the "DEBUG IN" header.
The EVB also offers the ability to be used as a J-Link debug adapter for any target board that has an
Apollo family MCU (Apollo1 or Apollo2).
Figure 5. Apollo2 Blue EVB's DEBUG OUT Header (J4)
To utilize this functionality, use a 10-pin low-pitch standard debug connector to connect the "DEBUG
OUT" header (J4) on the EVB to the debug header on the target board. The EVB will automatically detect
when the "DEBUG OUT" header is connected to another target board and reconfigure the integrated J-
Link to connect to this external board rather than the on-board Apollo2 Blue.
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