USB Host

I

Have you tried Google lately?

In 0.38 seconds it returned approximately 13,700,000 hits.

Regards, RK

The problem is not the hardware, its the software ( on the PC side ).

You have just only begun the process to understand the issues involved.

A USB port is not just a serial port, its an entire protocol, with license issues to resolve as well.

When you say, "USB KEY" do you mean a USB flash drive or a USB security device?

hamilto

USB OTG would probably do what you want. Otherwise you are going to have to implement a host controller so the USB key (peripheral) can connect to your device. The AVR AT90USB series has a couple of chips that do OTG, Microchip has a PIC32 OTG.

Google for USB OTG. Pick one that the vendor supplies the software stack.

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Joe Chisolm
Marble Falls, Tx.

Hi I am not a specialist. But if you want to read/write to a file on a USB memory stick (FAT system) you can have a look at the VDIP from FTDI. Look at the site:

and more specific the Vinculum VNC1L USB Host Controller. They have a demo set VDIP1 you can play with. Bu

Stefano skrev:

If you look at the AVR32 chips, then you will find plenty of chips with the USB OTG functionality. AT32UC3Bxxx is a good start. By downloading the free Eclipse (AVR32 Studio) + gcc you will get access to the Software Framework which includes OTG host drivers/FAT file systems allowing you to access the USB memory. You can use a Wizard to create a large part of your project.

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Best Regards
Ulf Samuelsson
These are my own personal opinions, which may
or may not be shared by my employer Atmel Nordic AB

Hello Ulf,

By the way since you're in the Atmel place, please could you give us a reason why ATMEL has recently decided to give up the AP7000 ?

Habib

I'd like to know that too. We were planning on using one - now the design must be changed to use some sort of ARM. The AP700x was suddenly dropped to "not recommended for new designs" and has all but disappeared from their website - even our distributors were caught by surprise.

I really do not know all the details. What I do know is that the flash based AVR32 has been a huge success in the mobile phone and automotive market, When you have a bunch of customers committing to multi-million purchase, that tends to influence decisions. I would not be surprised if someone made a decision based on ROI (Return On Investnent).

- Anyone remember the financial crisis?

- Money for the development grows tight!

Partly it is my fault!. When decisions on investment was done the top priority was given to the UC3C, which is my little baby. This is going to be one cool device.

Talked to a Cortex-M3 customer - in one of our largest companies, just returning from Embedded World, and when I described the internals of that device, he commented: "I have seen your competition in Nurnberg, and they take the CM3 and put peripherals around, this however is a motor control system"

It is a pity, beause from a technical standpoint it is real cool. I have a later version of the chip running linux on my desk.

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Best Regards
Ulf Samuelsson
These are my own personal opinions, which may
or may not be shared by my employer Atmel Nordic AB

Have you tried Google lately?

In 0.38 seconds it returned approximately 13,700,000 hits.

Regards, RK

sure used Google, I'd like a rabbit on the processor with which it is easier to use usb