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'Flash Card in Oz [EE]'
2000\05\23@024053 by David Duffy

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<x-flowed>Hi all,
Has anyone in Australia used flash cards with a PIC before?
I need about 16-32KB of flash memory as a removable card.
Farnell & RS have some stuff but way too expensive for me!
Anyone using something that's easy to get & fairly cheap?
Regards...

</x-flowed>

2000\05\23@025753 by David Huisman

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David,

Have you considered the DataFlash from Atmel ? These are serial addressable
and low cost.

Regards
David Huisman
Orbit Communications
http://www.orbitcoms.com
NSW
Australia

2000\05\23@031242 by David Duffy

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<x-flowed>At 16:44 5/23/00 +1000, you wrote:
>David,
>
>Have you considered the DataFlash from Atmel ? These are serial addressable
>and low cost.
>
>Regards
>David Huisman
>Orbit Communications
>http://www.orbitcoms.com
>NSW
>Australia

Yes, they look great and are the right price but card format would
be better so customers can use them. (just poke it in the slot)
Regards...

</x-flowed>

2000\05\23@034017 by Mark Willis

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David Duffy wrote:
> At 16:44 5/23/00 +1000, you wrote:
> >David,
> >
> >Have you considered the DataFlash from Atmel ? These are serial addressable
> >and low cost.
> >
> >Regards
> >David Huisman
> >Orbit Communications
> >http://www.orbitcoms.com
> >NSW
> >Australia
>
> Yes, they look great and are the right price but card format would
> be better so customers can use them. (just poke it in the slot)
> Regards...

Drop the Flash into a small DE-09 shell;  only 9 pins are used by these
beasties, MACX., you can cut down if you try & read the docs;
Vcc, CS, SCK, SI, SO, WP, RESET, RDY/BUSY, Ground

(SI and SO can be shorted.  WP can be hardwired.  You can then double up
on Vcc and Ground.)

Makes a nice, small module swappable by Joe 10-Thumbs in the field.

(Might want to add protection diodes for some values of Joe 10-Thumbs.)

 Mark

2000\05\23@040209 by Mike Cornelius

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Hi David,

I've done some work with SmartMedia, problems are :-
It's quit hard to work with if you want it to be dos compatible (read is
easy write is a bitch on a device like a PIC only a little memory).
It's much larger than what you are looking for.
It's relativly expensive.

What about standard memory only (dumb) smartcards ?
They are cheap, readily avaliable, well supported, and pretty robust.
They tend to be EEPROM rather than flash, is this a problem ?

Regards,

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Mike Cornelius                  Internet: spam_OUTmikeTakeThisOuTspambytethis.com.au
Byte This Interactive           Phone:    +61 2 9310-2157
PO Box 1342 Strawberry Hills    FAX:      +61 2 9319-3948
NSW 2012 Australia              URL:      http://www.bytethis.com.au
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~


-----Original Message-----
From: pic microcontroller discussion list
[.....PICLISTKILLspamspam@spam@MITVMA.MIT.EDU]On Behalf Of David Duffy
Sent: Tuesday, 23 May 2000 4:37 PM
To: PICLISTspamKILLspamMITVMA.MIT.EDU
Subject: Flash Card in Oz [EE]


Hi all,
Has anyone in Australia used flash cards with a PIC before?
I need about 16-32KB of flash memory as a removable card.
Farnell & RS have some stuff but way too expensive for me!
Anyone using something that's easy to get & fairly cheap?
Regards...

2000\05\23@044203 by Brent Brown

picon face
> At 16:44 5/23/00 +1000, you wrote:
> >David,
> >
> >Have you considered the DataFlash from Atmel ? These are serial
> >addressable and low cost.
> >
> >Regards
> >David Huisman
> >Orbit Communications
> >http://www.orbitcoms.com
> >NSW
> >Australia
>
> Yes, they look great and are the right price but card format would
> be better so customers can use them. (just poke it in the slot)
> Regards...
>

I believe Atmel produces DataFlash on a card. Simple solution as
smart card sockets are easy and cheap to get even from Farnell or
RS. Atmel gave me a big fat no reply last time, interesting to see if
you come up with something.

Brent Brown
Electronic Design Solutions
16 English Street
Hamilton, New Zealand
Ph/fax: +64 7 849 0069
Mobile: 025 334 069
eMail:  .....brent.brownKILLspamspam.....clear.net.nz

2000\05\23@070004 by David Duffy

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<x-flowed>At 12:38 AM 5/23/00 -0700, you wrote:
{Quote hidden}

Already thought about that one but customer not fussed on a D socket on
front panel.
Too much chance of some end user plugging something else in to it!
Otherwise, that was my number one idea of the day...

</x-flowed>

2000\05\23@070018 by David Duffy

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<x-flowed>At 08:40 PM 5/23/00 +1200, you wrote:
> > At 16:44 5/23/00 +1000, you wrote:
> > >David,
> > >
> > >Have you considered the DataFlash from Atmel ? These are serial
> > >addressable and low cost.
> > >
> > >Regards
> > >David Huisman
> > >Orbit Communications
> > >http://www.orbitcoms.com
> > >NSW
> > >Australia
> >
> > Yes, they look great and are the right price but card format would
> > be better so customers can use them. (just poke it in the slot)
> > Regards...
> >

Brent Brown wrote;
>I believe Atmel produces DataFlash on a card. Simple solution as
>smart card sockets are easy and cheap to get even from Farnell or
>RS. Atmel gave me a big fat no reply last time, interesting to see if
>you come up with something.

Hmmm... I didn't notice them on the Atmel site last time. I might go &
have a look again. Maybe ACD in Melbourne can do a P&A for us?
Farnell & RS have plenty of fairly contact assemblies but no cards!
If anyone's interested I will let the list know what's out there.
Regards...

</x-flowed>

2000\05\23@070617 by David Duffy

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<x-flowed>Hi Mike,
No need for DOS compatibility - the data is custom.
Flash or EEPROM makes no difference - non volatile is what I need.
The smart card I've seen so far are quite small... 2K-bits (256 bytes)
I need about 16K-bytes or more to store all of the data required.
The data doesn't change very often. (maybe every 30/60  days or so)
Needs to plug into customers equipment with no hassles at all.

At 06:00 PM 5/23/00 +1000, you wrote:
{Quote hidden}

>{Original Message removed}

2000\05\23@113009 by Bob Blick

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> Has anyone in Australia used flash cards with a PIC before?
> I need about 16-32KB of flash memory as a removable card.

Saw a web site that used flash, an Atmel micro, and the MAS3507/DAC3550
combo to make an mp3 player.

The flash he used was "Compact Flash" which is one of the two varieties
used in cameras, the smaller of the two. It is 3.3 volts and easy to talk
to. He showed a cool connector scheme. I'll try to dig up the address.

Unfortunately a lot of it will go to waste if all you need is 32k, these
start at 4 megabytes for about US$15 each.

-Bob

2000\05\23@140636 by Octavio Nogueira

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> Hi Mike,
> No need for DOS compatibility - the data is custom.
> Flash or EEPROM makes no difference - non volatile is what I need.
> The smart card I've seen so far are quite small... 2K-bits (256 bytes)
> I need about 16K-bytes or more to store all of the data required.
> The data doesn't change very often. (maybe every 30/60  days or so)
> Needs to plug into customers equipment with no hassles at all.

MultiMedia memory card is easy to interface, you can
use SPI mode, available at http://www.sandisk.com

Friendly Regards

Octavio Nogueira
===================================================
nogueiraspamspam_OUTpropic2.com                  ICQ# 19841898
ProPic tools - low cost PIC programmer and emulator
http://www.propic2.com
===================================================

----- Original Message -----
From: David Duffy <@spam@avdKILLspamspamUQ.NET.AU>
To: <KILLspamPICLISTKILLspamspamMITVMA.MIT.EDU>
Sent: Tuesday, May 23, 2000 6:58 AM
Subject: Re: Flash Card in Oz [EE]


{Quote hidden}

> >{Original Message removed}

2000\05\23@184009 by Mark Willis

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David Duffy wrote:
{Quote hidden}

OK, how about this then.  DigiKey has 10-pin 2mm sockets for $1.29 in
onesies (3m1010-ND, page 37)  Strip headers for $1.04 lower on the same
page.  Solder the 2mm socket onto your PC board with the Flash, and
encapsulate with any of a number of different goodies in a nice
rectangular blob shape to fit the front panel (Ask me off list if you
don't have favorites there, or want brainstorming.)  That'll do it <G>

 Mark

--
I re-ship for small US & overseas businesses, world-wide.
(For private individuals at cost; ask.)

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