Il 22/12/2013 08:30, Satz Klauer ha scritto:
Hi,
I already know the pinout-listing of the BeagleBone Black but this
does not seem to solve my problem. Depending on the choosen
pin-mux-mode the eMMC signals can appear on different pins on P8/P9.
So I need to know the real wiring, means which pins on P8/P9 are
electrically connected to CPU and eMMC. Unfortunately I do not
understand the wiring diagram good enough to find the answer there. So
I hoped there is a pinout-listing available somewere that contains the
information which of the pins are also wired to eMMC...
I'm looking for the same answer, and actually I'm studying this page on
the subject:
http://derekmolloy.ie/gpios-on-the-beaglebone-black-using-device-tree-overlays/
I understand (and maybe can be wrong) that it's possible to disable the
virtual cape manager referring to HDMI (video), and gain access to
P8-27..P8-46 pins, but since we are using the eMMC, we can't disable
it's viertual cape manager, so the pins P8-3 .. p8-6; p8-20 .. p8-25 are
reserved.
This it's true when you use the Angstrom linux delivered with the
boards, don't know what happens if you install something else in your
system.
regards
--
tiziano de togni
______________________________________
http://tizziano.altervista.org/
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