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PIC MCU + USB Chip + USB hard drive = Lot's of sapce

 
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jahan



Joined: 04 Apr 2005
Posts: 63

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PIC MCU + USB Chip + USB hard drive = Lot's of sapce
PostPosted: Tue Jul 19, 2005 3:30 pm     Reply with quote
I have an external USB hard drive and would like to know:

Is it possible to use a 18F series MCU and a USB chip to make connection to an external USB hard drive?

Any article ???
Shocked
Mark



Joined: 07 Sep 2003
Posts: 2838
Location: Atlanta, GA

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PostPosted: Tue Jul 19, 2005 5:28 pm     Reply with quote
You would have to implement a USB host. You would be better off using the IDE interface.
MikeValencia



Joined: 04 Aug 2004
Posts: 238
Location: Chicago

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PostPosted: Tue Jul 19, 2005 5:40 pm     Reply with quote
Mark's right. At this point, you can't make a USB host out of any PIC out there.
Guest
PostPosted: Tue Jul 19, 2005 9:46 pm     Reply with quote
Mark wrote:
You would have to implement a USB host. You would be better off using the IDE interface.


Do you have any reference for PIC to IDE?

Thankx
Mark



Joined: 07 Sep 2003
Posts: 2838
Location: Atlanta, GA

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PostPosted: Wed Jul 20, 2005 4:44 am     Reply with quote
Your best bet would be to look at the MP3 sites. Some of them have ATA or IDE interfaces. The IDE interface is the easy part. The hard part is the FAT file system. If you search, you should be able to find some code out there. I cannot release the code that I have.
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