Use a usb pendrive with a microcontroller

"Cuentin" wrote in news:GZGqe.50501$

I've seen some ARMs have USB host capabilities. For example the Atmel AT91RM9200 has such a capability. I've seen some projects where people emulated USB devices (for example, here:

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but my understanding is that emulating the usb host interface is a good deal more complicated - so you'd probabaly have to go with a faster chip. Best of luck!

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Michael Noone
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Hello Cuentin,

No idea. If by pen drive you mean those USB memory sticks I heard that it was quite difficult. There are micro controllers with built-in USB features (TUSB series from TI?).

Anyway, SD card memory might be a lot easier if you are just after lots of storage space.

Regards, Joerg

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Have anyone accessed to a usb pendrive using a microcontroller? How can I do it? If someone have used a usb pendrive with a microcontroller please help me. Thanks and sorry by my english.


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Relatively difficult, but not impossible, to roll your own. The USB clients in the pen drives have to talk to a protocol stack in a USB host, i.e., normally a PC.

There are vendors that have such things for embedded processors.

Search for "embedded usb host" or similar.

Rich Webb   Norfolk, VA
Reply to
Rich Webb

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