ambiq micro Apollo4 Blue Plus Manuel de démarrage rapide - Page 17
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By using an external supply, or the on-board VDD_1V9_PSU rail, the user is able to take accurate current
measurements of the Apollo4 Plus under a variety of conditions offered by the Display Kit without extra
load on the Apollo4 Plus SoC rails. Please consult the AMAP4PEVB Quick Start Guide for details on taking
current measurements with the Apollo4 Plus EVB.
8.2
eMMC/SPI Solder-Bridge
Solder-bridges 1 and 2 are used to select between the SDIF_DAT4 (eMMC_D4) and DISP_SPI_SDI
(AP4_DISP_SDI) hardware connections for the GPIO79 pin. By default, the hardware is configured to
connect to the e-MMC device.
8.3
Other Solder-bridge Options
For other solder-bridge options, please consult the Apollo4 Plus EVB Quick Start Guide.
QS-A4PDK-1p0
Apollo4 Plus Display Kit Quick Start Guide
Figure 6. GPIO79 Pin Connection Options
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