Am Mi 20. August 2008 schrieb Werner Almesberger: > Joerg Reisenweber wrote: > > Fine! But where in this description is the point about ME suggesting sth > > like routing (new) GPIO to all sorts of peripherals??? > > Ah, this was the mail that scared me: > https://lists.internal.openmoko.org/pipermail/gta03/2008-August/000497.html
---------- We should connect NCP346:1[OUT] also to some CPU-GPIO (via 100kR or sth like that), to detect overvoltage in software on going high of this GPIO. We should replace U4905 by this NCP346+FET-circuit (which also will put \USB_OC to a real useful meaning, now USB_OV. As we of course will use this signal to connect to NCP346:1[OUT] as mentioned above ;) ---------- You see I suggested to use an already existing connection absolutely same way it has been used before, just the meaning is augmented from "PMU draws >1.5A" (nonsense) to "USB is >5.5V" So *no* "new GPIO routing" ;-). And of course I considered reverse-feeding: This rail is 0V as long as there's no USB-supply voltage. We are fine for all cases except shutdown when on charger. > I don't care whether we call it MPU or MCU. MPU would be less > friendly for the dyslexic for sure. I'll continue to call it uC
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