ambiq micro Apollo2 Blue Manuel de démarrage rapide - Page 9
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Quick Start Guide for
Apollo2 EVB (Rev 1.0)
Revision 1.0, June 2017
Figure 4. Apollo2 EVB's DEBUG OUT Header (J3)
To utilize this functionality, use a 10-pin low-pitch standard debug connector to connect the "DEBUG OUT"
header (J3) 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 onboard Apollo2.
Note: A voltage on VDD_EXT_DBG (pin 1) through the 10-pin header is required for the automatic switch. Also,
to avoid voltage level conflicts on the debug I/O, VDDIO on the J-Link processor will need to be changed to
VDD_EXT_DBG by cutting SB5 and connecting SB6 if VDD_EXT_DBG doesn't match the on-board voltage
(VDD_PS by default).
QS-A2-1p00
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