ambiq micro Apollo1 EVB Hızlı Başlangıç Kılavuzu - Sayfa 8
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Sayfayı YazdırApollo EVB Quick Start Guide
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 4. Apollo1 EVB's DEBUG OUT Header (J2)
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 Apollo1.
Note: A voltage on pin 1 of the J2 header is required for the above mentioned automatic switch to occur.
Also, if the target VDD doesn't match the onboard voltage (either 3.3V or 2.1V), and to avoid possible
voltage level conflicts on the debug I/O port, VDDIO of the J-Link processor may need to be changed to the
target voltage by cutting SB5 and shorting SB6.
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