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Am3359 on BeagleBone Black - SPI current drive capability

Hello dear forum members,

I am looking into using the spi0 interface on the BeagleBone Black with multiple (4) slaves. Due the resulting cable length I expect signal reflection issues and am hence looking into line end terminators. To determine the specifics I would need the current drive capacity of the SPI pins. I could not obtain this information from the data sheet and technical reference manual. Does someone know the driver capabilities of the interface and could help me out? Any help or hints are greatly appreciated!

best regards