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2005-03-09 by Matt Burns
Does anyone have experience bit-banging a half-duplex UART on an LPC210x GPIO? Matt --------------------------------- Celebrate Yahoo!'s 10th Birthday! Yahoo! Netrospective: 100 Moments of the Web [Non-text portions of this message have been removed]
2005-03-09 by leon_heller
--- In lpc2000@yahoogroups.com, Matt Burns <bovinejuice@y...> wrote: > Does anyone have experience bit-banging a half-duplex UART on an LPC210x GPIO? Why not use one of the UARTs that has been provided? Leon
2005-03-09 by bovinejuice
--- In lpc2000@yahoogroups.com, "leon_heller" <leon.heller@d...> wrote: > > --- In lpc2000@yahoogroups.com, Matt Burns <bovinejuice@y...> wrote: > > Does anyone have experience bit-banging a half-duplex UART on an > LPC210x GPIO? > > Why not use one of the UARTs that has been provided? > > Leon My application is already using th eother two UARTS, but I was looking for input on bit-banging the third UART I need. Matt
2005-03-09 by leon_heller
--- In lpc2000@yahoogroups.com, "bovinejuice" <bovinejuice@y...> wrote: > > --- In lpc2000@yahoogroups.com, "leon_heller" <leon.heller@d...> > wrote: > > > > --- In lpc2000@yahoogroups.com, Matt Burns <bovinejuice@y...> > wrote: > > > Does anyone have experience bit-banging a half-duplex UART on an > > LPC210x GPIO? > > > > Why not use one of the UARTs that has been provided? > > > > Leon > > My application is already using th eother two UARTS, but I was > looking for input on bit-banging the third UART I need. I've used bit-banged UARTs on lots of different processors, including a 68000 (that was tricky because of the times taken by the different instructions). It should be quite easy. Leon
2005-03-15 by sashi ono
--- In lpc2000@yahoogroups.com, "bovinejuice" <bovinejuice@y...> wrote: > > --- In lpc2000@yahoogroups.com, "leon_heller" <leon.heller@d...> > wrote: > > > > --- In lpc2000@yahoogroups.com, Matt Burns <bovinejuice@y...> > wrote: > > > Does anyone have experience bit-banging a half-duplex UART on an > > LPC210x GPIO? > > > > Why not use one of the UARTs that has been provided? > > > > Leon > > My application is already using th eother two UARTS, but I was > looking for input on bit-banging the third UART I need. > > Matt Try the Max3100 I used it with the lpc and it works great. I can generate the clock it requires by dividing the 14.xx clock by 4.