2011/2/8 funlw65(Vasi) <[email protected]> > > >Remappable pins are getting me crazy :) > > I said that to you long time ago :P - a first Cookoo song. >
Sure, but I'm not talking about pin mapping (which was quite usable in the end with cuckoo), but about remappable pins, which brings pin mapping next level (thus, crazy next-level too :)) Cheers, Seb > > On Feb 8, 6:53 pm, Sebastien Lelong <[email protected]> > wrote: > > 2011/2/8 funlw65(Vasi) <[email protected]> > > > > > He he, I think the collision is only in my head. > > > Well, Sebastien wanted to remap the SPI2 pins on pins used by the RTC > > > clock.and Boot LED... > > > > > I considered these: > > > > > - RP17, RP18 are occupied by RX1, TX1 > > > - RP4 is RTC out > > > - RP7, RP8 is I2C1 > > > - RP9, RP10 are part of ICSP connector > > > > these pins can still be used for other purpose when not in ICSP, right ? > > Yes but with some care. On a final project where destination is not > changed, yes. > > > > > > - RP11, RP12 are RTC clock > > > - RP13 is Boot LED (RC2) <-- other boards compatibility. > > > > There's no compatibility issue here, just use an alias... > > > > Yes, a virtual layer is always a solution but I wanted also to be HW > compatibility (at least, this is the first thing I'm trying to solve, > where is possible). > > > > > > > > Also I had/have some unclear things: > > > - you said RTC Out pulse pin is optional. That mean I can disable it > > > without loosing RTC feature? > > > > this is what I understand, Kiste may confirm > > > > > - when you remap pins for SPI2, it needs to be in order (RP1, RP2, > > > RP3, etc.), or can be selected random? > > > > from what I understand, it can be whatever order you want. There are > > actually 2 registers per remappable pins, one for input, another four > > output. You then select what function to associate. > > > > Cheers, > > Seb > > -- You received this message because you are subscribed to the Google Groups "jallib" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/jallib?hl=en.
