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PICList Thread
'Universal Serial Bus and PIC'
1997\05\19@113855 by )

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This thread made start wondering.....

Where are the USB peripherals? Has anyone actually seen one?


Frank Richterkessing
Experimental Methods Engineer
GE Appliances

spam_OUTFRANK.RICHTERKESSINGTakeThisOuTspamAPPL.GE.COM

"The secret to good housekeeping -- Use low wattage bulbs!"

1997\05\19@142644 by mike

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In message
<c=US%a=_%p=GE%l=.....AP3EXPR1-970519152800Z-204197KILLspamspam@spam@ap3exh02applge.appl.ge.com>> PICLISTspamKILLspamMITVMA.MIT.EDU writes:
> This thread made start wondering.....
>
> Where are the USB peripherals? Has anyone actually seen one?

It has me wondering too. My concern is that it will be a short
lived standard.

There are some small uController out with usb hardware on them.
Are there any plans for this on a PIC?


Mike Watson

1997\05\19@165832 by e

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Richterkessing, Frank H (GEA, 055132) wrote:
>
> This thread made start wondering.....
>
> Where are the USB peripherals? Has anyone actually seen one?

You can find some documents about USB at:

ftp://download.intel.com/design/usb/

Devices implementing USB have to provide functionality
for a HUB, Plug&Play, isocronus transver and and and ...
IMHO the best way to use it is to get a Microcontroller
with USB implementet in HW, or design a big ASIC for it ...

Software seems also to be more complex then for RS232 ...


St.



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1997\05\19@172146 by Chris Atkins

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I read an article over the weekend in the May Computer Design
about USB: "To USB, or not to USB." It mentions several chips
that are available including the Lucent USS720 which a friend
of mine had a large part in developing. It's actually a tiny
ASIC rather than big one.

Chris

{Original Message removed}

1997\05\19@194357 by Richard Katezansky

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Check out Cypress Semi.  They have a considerable line of USB peripherals
and micros.

http://www.cypress.com/cypress/prodgate/prod_top.htm#usb

Cheers.

At 11:28 AM 5/19/97 -0400, you wrote:
{Quote hidden}

******************************
Richard Katezansky
Tangent Electronics Ltd.
Montreal, Canada
******************************

1997\05\20@064807 by Luis Fernandez

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Hi Frank,

>This thread made start wondering.....
>
>Where are the USB peripherals? Has anyone actually seen one?
>
>
>Frank Richterkessing
>Experimental Methods Engineer
>GE Appliances

In the last number of "Telecom Product News" could see just ONE device
claiming to be an ISDN adapter for the Universal Serial Bus. Not too much
really !

Another similar magazine "Electronic Product News" shows a few connectors
manufacturers which actually present their USB connectors, but the only
chips to deal with them are made by Lucent Technologies and Philips. The
Philips chip interfaces via I2C bus with a microcontroller, has one upstream
USB port and four downstream USB ports. (no clear idea what it means !)

Another peripheral: Cherry manufactures a USB Keyboard.

I agree that there is no market actually. It may become a real (fact)
standard or just another marketing decition which blows !. Anyway.... better
to check it closely and get all the info you can.



Luis Fernandez Cormenzana
RadioBit Sistemas, S.L.
       Vehicle fleet control systems
       Patrol presence controllers

Fax/Tel:+34-6-585 64 57
e-mail: radiobitspamspam_OUTdragonet.es
http://www.dragonet.es/users/radiobit

1997\05\20@070507 by tjaart

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Luis Fernandez wrote:
>
> Luis Fernandez Cormenzana
> RadioBit Sistemas, S.L.
>         Vehicle fleet control systems
>         Patrol presence controllers
>
> Fax/Tel:+34-6-585 64 57
> e-mail: @spam@radiobitKILLspamspamdragonet.es
> http://www.dragonet.es/users/radiobit

Hi Luis!

I notice that you are into vehicle fleet management systems.
We have just completed our fourth generation GSM-based system.
What do you guys use? How does your system work?

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Tjaart van der Walt
KILLspamtjaartKILLspamspamwasp.co.za
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