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PICList Thread
'PIC + USB'
1999\03\11@213601 by kirmse

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Does anyone have a sense of how much horsepower is required to
implement the USB protocol in a simple peripheral? Philips has come
out with two USB interface devices.  The PDIUSBD11 with an I2C
interface and PDIUSBD12 with a parallel interface. Would someone
hazard a guess wether or not a 16F84 or a 16F877 would have sufficient
power to complete such a device?

---------------------------------------------------------------------
| Dr. Kevin Dale Kirmse, PhD EE
| Portable System Design, High Speed Serial Links
| FPGA Design, Video Hardware, Graphics Hardware
|
| King of Prussia, PA 19406
| spam_OUTkirmseTakeThisOuTspamnetaxs.com
---------------------------------------------------------------------

1999\03\13@035832 by Snail Instruments

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Hi Kevin,

it all depends on the data rate you need to exchange. The USB controller
will take care of the hi-speed USB communication and you can read/supply the
data with the more convenient and less timing critical I2C protocol. So if
you are after few bytes, then perhaps the 12C508 running at 32kHz will keep
up (would have to check the 32kHz clock, but at 4MHz for almost sure).

There is also the National USBN9206 with SPI (and parallel interface), which
I mentioned a week ago, but with very little response, maybe due to friday
afternoon mailing. BTW, how are you going to solve the PC side of the link ?

>Does anyone have a sense of how much horsepower is required to
>implement the USB protocol in a simple peripheral? Philips has come
>out with two USB interface devices.  The PDIUSBD11 with an I2C
>interface and PDIUSBD12 with a parallel interface. Would someone
>hazard a guess wether or not a 16F84 or a 16F877 would have sufficient
>power to complete such a device?

Josef

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1999\03\13@150945 by kirmse

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Snail Instruments wrote:

> Hi Kevin,
>
> it all depends on the data rate you need to exchange. The USB controller
> will take care of the hi-speed USB communication and you can read/supply the
> data with the more convenient and less timing critical I2C protocol. So if
> you are after few bytes, then perhaps the 12C508 running at 32kHz will keep
> up (would have to check the 32kHz clock, but at 4MHz for almost sure).
>
> There is also the National USBN9206 with SPI (and parallel interface), which
> I mentioned a week ago, but with very little response, maybe due to friday
> afternoon mailing. BTW, how are you going to solve the PC side of the link ?

My initial application is to connect to a peripheral at 9600 baud over a
proprietary RS485 link. The original device uses a 16F84 to interface
between an RS232 tranciever and an RS485 tranciever.

The reason for the question is that I have been trying to decipher the
USB protocol and have not had a lot of luck yet. I have not begun to
work on the PC side of the link yet.

The USBN9602 is an interesting part. For my purposes the PDIUSBD11
may be  better because it is smaller. I will have to do some research.

---------------------------------------------------------------------
| Dr. Kevin Dale Kirmse, PhD EE
| Portable System Design, High Speed Serial Links
| FPGA Design, Video Hardware, Graphics Hardware
|
| King of Prussia, PA 19406
| kirmsespamKILLspamnetaxs.com
---------------------------------------------------------------------


'pic + usb'
1999\09\12@094811 by chris tolley
picon face
a quick question
does anyone know of any usb  chips that could be connected to a pic at all
to allow the pic to talk to and receive data via usb ?
data size will be about 1k
any help appreciated
chris

1999\09\12@100019 by David Covick

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Try the Philips PDIUSBD11

Philips has other chips that are variations.
Check their web site

1999\09\12@163242 by Jose Luiz Pinto Souto

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Cypress is producing a RISC processor with USB support. They said their
chips are among the cheapest in marketing....
I was about buying the $99 development board but the priority changed and
this will probably goes to the next millenium...

BR«s
J Souto

chris tolley wrote:

> a quick question
> does anyone know of any usb  chips that could be connected to a pic at all
> to allow the pic to talk to and receive data via usb ?
> data size will be about 1k
> any help appreciated
> chris

1999\09\12@182054 by Wesley Moore (Yallara)

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The PIC16C745/765 are suposed to have USB support.

http://www.microchip.com/10/Lit/PICmicro/16C745/index.htm

Wesley


On Sun, 12 Sep 1999, chris tolley wrote:

> a quick question
> does anyone know of any usb  chips that could be connected to a pic at all
> to allow the pic to talk to and receive data via usb ?
> data size will be about 1k
> any help appreciated
> chris
>

1999\09\12@201002 by Jim Robertson

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At 09:45 12/09/99 -0400, you wrote:

According the the 1999 Q3 line card there are some USB pics planned but
they are
still vapour at this stage.

Jim

>a quick question
>does anyone know of any usb  chips that could be connected to a pic at all
>to allow the pic to talk to and receive data via usb ?
>data size will be about 1k
>any help appreciated
>chris
>
Regards,

Jim Robertson
NEWFOUND ELECTRONICS
________________________________________
Email: .....newfoundKILLspamspam.....pipeline.com.au
http://www.new-elect.com
MPLAB compatible PIC programmers.
________________________________________

1999\09\12@202005 by Bob Blick

face
flavicon
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>Cypress is producing a RISC processor with USB support. They said their
>chips are among the cheapest in marketing....
>I was about buying the $99 development board but the priority changed and
>this will probably goes to the next millenium...

I looked at these a couple of years ago for general purpose use. They were
very power-hungry so I didn't look further, though that wouldn't be much of
a problem if you were using them for USB and had the power budget to go
along with it.

-Bob

1999\09\13@002646 by Vlad Smetanko

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Hi, Chris

I use PIC16C63 & USBN9602 to communicate PC by USB (Full Speed)
with a Data Acquisition Device, which has SPI-bus, and with I2C EEPROM.

Are You interested the source that operates a few switches and LEDs by USB?
I have both ends, the PIC and the C++ application  & Win2000 driver.



---- you wrote:
> a quick question
> does anyone know of any usb  chips that could be connected to a pic at all
> to allow the pic to talk to and receive data via usb ?
> data size will be about 1k
> any help appreciated
> chris
>


---------------------------------------------------
Get free personalized email at http://www.iname.com

1999\09\13@173404 by Nihat DAGDEMIR

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please send me .
----- Original Message -----
From: Vlad Smetanko <EraseMEsmetspam_OUTspamTakeThisOuTINAME.COM>
To: <PICLISTspamspam_OUTMITVMA.MIT.EDU>
Sent: 13 Eylül 1999 Pazartesi 07:25
Subject: Re: pic + usb


> Hi, Chris
>
> I use PIC16C63 & USBN9602 to communicate PC by USB (Full Speed)
> with a Data Acquisition Device, which has SPI-bus, and with I2C EEPROM.
>
> Are You interested the source that operates a few switches and LEDs by
USB?
> I have both ends, the PIC and the C++ application  & Win2000 driver.
>
>
>
>  ---- you wrote:
> > a quick question
> > does anyone know of any usb  chips that could be connected to a pic at
all
> > to allow the pic to talk to and receive data via usb ?
> > data size will be about 1k
> > any help appreciated
> > chris
> >
>
>
> ---------------------------------------------------
> Get free personalized email at http://www.iname.com

1999\09\13@214337 by Joao Batista

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please send me too, thanks

Joao Batista
@spam@jq96KILLspamspamcom4.com.br

----- Original Message -----
From: Vlad Smetanko <KILLspamsmetKILLspamspamINAME.COM>
To: <RemoveMEPICLISTTakeThisOuTspamMITVMA.MIT.EDU>
Sent: 13 Eylül 1999 Pazartesi 07:25
Subject: Re: pic + usb


> Hi, Chris
>
> I use PIC16C63 & USBN9602 to communicate PC by USB (Full Speed)
> with a Data Acquisition Device, which has SPI-bus, and with I2C EEPROM.
>
> Are You interested the source that operates a few switches and LEDs by
USB?
> I have both ends, the PIC and the C++ application  & Win2000 driver.
>
>
>
>  ---- you wrote:
> > a quick question
> > does anyone know of any usb  chips that could be connected to a pic at
all
> > to allow the pic to talk to and receive data via usb ?
> > data size will be about 1k
> > any help appreciated
> > chris
> >
>
>
> ---------------------------------------------------
> Get free personalized email at http://www.iname.com

1999\09\15@013840 by Ivan Cenov

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face
i am interested too,
please send me it
tnx
ivan cenov, spamBeGoneokto7spamBeGonespambotev.ttm.bg

----- Original Message -----
From: Vlad Smetanko <TakeThisOuTsmetEraseMEspamspam_OUTINAME.COM>
To: <RemoveMEPICLISTspamTakeThisOuTMITVMA.MIT.EDU>
Sent: 13 Eylül 1999 Pazartesi 07:25
Subject: Re: pic + usb


> Hi, Chris
{Quote hidden}

1999\09\15@101402 by Jerry Iacobucci

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I am also interested with using a pic and usb

can you please send me the info.

Thanks

Jerry Iacobucci jerryEraseMEspam.....canlinks.com

1999\09\15@111113 by Chaipi Wijnbergen

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Hi,


I am sorry for who ever proposed this, the list of request is getting
longer and longer.


If possible, I would also like to have the USB sample.


I can put it on my web site and help the list with such download.


EraseMEchaipi.wijnbergenspamweizmann.ac.il



Chaipi



At 01:05 14/09/99 , Jerry Iacobucci wrote:
>I am also interested with using a pic and usb
>
>can you please send me the info.
>
>Thanks
>
>Jerry Iacobucci RemoveMEjerryEraseMEspamEraseMEcanlinks.com



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1999\09\22@052559 by chris tolley

picon face
my apologies for any confusion caused basically i was trying to find out if
anyone had interfaced a usb chip
to a pic and if so how ? as usb seems to be a black art
i'm attemping to use the philips pdiusbd12 according to tech specs they've
hooked up a h8 to it
but no amount of burrowing around can i find any source code to give me a
clue
anyone know ?
many thanks for your time
chris


'pic + usb'
1999\10\01@062743 by chris tolley
picon face
i think i opened this pandoras box a few days ago
has anyone manged to interface a usb controller chip to a pic?
would they be prepared to share any clues with the rest of us
philips say in their application notes that you can interface a h8 to a
pdiusbd12
does anyone know where the source code may be hiding any clues welcome
so we can hang a pic on it
all the best
chris


'pic + usb'
2000\01\09@153530 by is tolley
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part 0 1439 bytes
<META content=text/html;charset=iso-8859-1 http-equiv=Content-Type>
<META content='"MSHTML 4.72.3110.7"' name=GENERATOR>
</HEAD>
<BODY bgColor=#ffffff>
<DIV><FONT color=#000000 size=2>hi</FONT></DIV>
<DIV><FONT color=#000000 size=2>i'm currently looking at driving a netchip
net2890 with an f 877</FONT></DIV>
<DIV><FONT color=#000000 size=2>has anyone done this at all ?</FONT></DIV>
<DIV><FONT size=2>there is a design with a scenix chip driving the
2888</FONT></DIV>
<DIV><FONT size=2>the 2890 requires a lot more firmware programming </FONT><FONT
size=2>anyone interested in joining in the fun ? </FONT><FONT size=2>maybe to
design a software core for anyones use to get into usb</FONT></DIV>
<DIV><FONT size=2>all the best</FONT></DIV>
<DIV><FONT size=2>chris</FONT></DIV>
<DIV><FONT size=2></FONT>&nbsp;</DIV>
<DIV><FONT size=2><A
href="RemoveMEchrisTakeThisOuTspamspam3rd-age-control.co.uk">EraseMEchrisspamspamspamBeGone3rd-age-control.co.uk</A></FONT></DIV>> <DIV><FONT size=2></FONT>&nbsp;</DIV>
<DIV><FONT size=2>theatre lighting control and special
effects</FONT></DIV></BODY></HTML>

</x-html>


'PIC + USB'
2000\05\24@033742 by Jim Ruxton
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Hello,

Has anyone had any luck downloading the spec. sheet for the new PIC with
USB? I've downloaded it twice and both times Adobe Acrobat says it's
corrupted. Has anyone tried this chip? I want to hook up an I/O board
with 8 inputs and 8 relay outputs to a USB port on a Mac. I can't find
such a beast so I thought I'd roll my own using the PIC. (If anyone
knows where I can find a board with Mac drivers I'd be glad to hear
about it) . Any advice?? Thanks!
Jim

2000\05\24@114446 by Dan Michaels

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At 03:35 AM 05/24/2000 -0400, you wrote:
>Hello,
>
>Has anyone had any luck downloading the spec. sheet for the new PIC with
>USB? I've downloaded it twice and both times Adobe Acrobat says it's
>corrupted. Has anyone tried this chip? I want to hook up an I/O board
>with 8 inputs and 8 relay outputs to a USB port on a Mac. I can't find
>such a beast so I thought I'd roll my own using the PIC. (If anyone
>knows where I can find a board with Mac drivers I'd be glad to hear
>about it) . Any advice?? Thanks!
>Jim
>

I have had the same problem when trying to read newer .PDF files
[not necessarily from Mchp] using older versions of Acrobat. Make
sure you use at least version 3.0 Acrobat.

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