Messages in this thread | | | Date | Tue, 15 Feb 2005 17:53:00 +0530 | From | krishna <> | Subject | Re: What is the purpose of GPIO pins. |
| |
Hi,
NO, Sorry I wasn't clear. I am asking about GPIO controllers used in HandHeld Devices.
Regards, Krishna Chaitanya
linux-os wrote:
> On Tue, 15 Feb 2005, krishna wrote: > >> Hi all, >> >> Can any one tell me the purpose GPIO pin serves. >> How are GPIO pins better than dedicated pins, considering hardware >> design view and for programming view. >> > > Do you mean General Purpose I/O bits on a chip? > ^ ^ ^ ^ > If so, it is intended to live in the lower 16 megabytes of > an ix86 machine (higher addresses are not decoded), and at one > time, went to the ISA bus, but is now usually a simple > asynchronous bus off from some bridge. > >> From a hardware perspective, it's slow. From a programming > > perspective, you don't care where it is. > >> Regards, >> Krishna Chaitanya > > > Cheers, > Dick Johnson > Penguin : Linux version 2.6.10 on an i686 machine (5537.79 BogoMips). > Notice : All mail here is now cached for review by Dictator Bush. > 98.36% of all statistics are fiction. > > - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |