On 9/5/2011 9:19 PM, peter green wrote:
> Mark Hanchey wrote:
>> I know IDE is fairly easy to interface to
> IDE is a paralell bus that can be run at what are by modern standards low=
 speeds. So implementing should be just a matter of reading the specs and b=
anging out the bus accesses.
>
>> but what about SATA.
>>
> Not going to be easy. It's a serial link and even in it's initial form
> it's running at 1.5 gigabits per second. That is WAY beyond what any
> microcontroller can hope to bit bang.
>>    I see a lot of projects with IDE examples but nothing approaching
>> SATA. As more hard drives move to that interface I would like to be able
>> to use them for data storage on projects.  I looked around for SATA
>> chipsets and other than the chipsets for things like motherboards , USB
>> seems to be the only way to approach the interfacing of pics to SATA.
>> What are others thoughts on using pics or even something like ARM with
>> SATA ?
> USB would probablly work but i'd expect the software to be challenging
> There are also IDE to sata bridges out there which may work for your
> application.
> How much data are you trying to store? IMO given the interfacing
> difficulties HDDs are only likely to be worth it if you need more
> storage than a couple of big SD cards can provide.

Right now I can use SD cards to store data but my question was more in=20
regards to future projects that might want to use a SATA device. I was=20
just noticing how little focus there was on SATA projects in the hobby=20
community and wondered if it was because a lack of interface options.

--=20
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