On 20 May 2010 05:47, David Given <d...@...> wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > On 19/05/10 19:53, Janusz Krzysztofik wrote: > [...] >> I'm not sure what smart card interface could we use for if ever supported. >> Removable storage perhaps? > > That's an intriguing idea. ISO7816-3 says: > > http://www.cardwerk.com/smartcards/smartcard_standard_ISO7816-3.aspx > > ...that the clock rate defaults to 9600 b/s. OTOH, depending on how you > read the excruciating spec, it may be possible to increase it to either > 54 kb/s or 860 kb/s, which correspond to 5 kB/s and 90 kB/s after > framing. About twice floppy disk speed... > > Does the E3's smartcard reader support this? Is it flexible enough to > support any of the weirder smartcard protocols which use the two aux > pads to turn the whole thing into an MMC or USB device? > I think the E3 card reader is just done in software - bitbang on a couple of GPIO pins. So I think it should be possible to use if for SPI/MMC. I think USB is less likely
Matt _______________________________________________ e3-hacking mailing list [email protected] http://www.earth.li/cgi-bin/mailman/listinfo/e3-hacking
