RE: [uCsimm] DPC0105

From: Richard Laxton (richardl@chaosmusic.com)
Date: Tue Nov 07 2000 - 03:48:53 EST


Which particular DCP0105 did you use? Now that the typo is fixed I have
found a long list of different ones in my local catalogue. Bloody expensive
though!

Richard.

> -----Original Message-----
> From: Karthik Ganesan [mailto:k_ganesan@yahoo.com]
> Sent: Tuesday, 7 November 2000 4:11 PM
> To: ucsimm@uClinux.com
> Subject: [uCsimm] DPC0105
>
>
> Sorry the great delay in replying to this request. I
> actually bought the DCP0105 (not DPC...). Burr-brown
> makes these chips. Its actually very easy to use. I
> think I bought it from newark (expensive).
> http://focus.ti.com/docs/prod/productfolder.jhtml?genericPartN
> umber=DCP0105
> -karthik
>
>
> --- Tom Walsh <tom@openhardware.net> wrote:
> > > Richard Laxton wrote:
> > >
> > > Hi,
> > >
> > > I am using the schematic from the FAQ to connect
> > my EG9013 LCD to my
> > > uCsimm but I am having a little trouble. The
> > schematic has something
> > > labelled DPC0105 on it. It is something to do with
> > generating the Vee
> > > signal of the LCD. Unfortunately I have not been
> > able to find any
> > > reference in the whole world for this component. I
> > have searched
> > > Farnell, google.com, altavista and I find no
> > references.
> >
> > Yes, not to be found on planet Earth... That device
> > appears to be some
> > kind of DC-DC convertor of unknown manufacture (or
> > pull from a
> > laptop?). I ended up using a Linear Technologies
> > LT1372HV step-up
> > switching regulator to produce the 30 some volts to
> > power the LCD. Look
> > at:
> >
> 'http://www.openhardware.net/ez328simm/drawings/cpu328m2.jpg'
> > for
> > the schematic of the 35volt supply. There are
> > probably other step-up
> > devices available, but this was the one I selected
> > from Linear.
> >
> >
> > >
> > > Anyone out there care to comment? Also, Farnell
> > have the connector for
> > > the LCD but it will end up costing about AU$25
> > (about US$0.03 ;-)
> > > seriously about US$13) to make the cable. Is this
> > reasonable?
> > >
> > > Thanks in advance for any advice,
> > >
> > > Richard.
> >
> >
> > I used a Molex 52044-1245. This is a 1.25mm FPC
> > connector with a
> > thru-hole PCB solder connection. I took a flat
> > ribbon cable and
> > soldered the individual wires to the connector, then
> > mounted a 0.1" pin
> > center IDC header onto the ribbon cable. Like you,
> > I was frustrated in
> > my attempts to locate a proper connector, I finally
> > sampled one from
> > Molex.
> >
> > TomW
> >
> > --
> > Tom Walsh - WN3L - Embedded Systems Consultant
> > 'www.openhardware.net', 'www.cyberiansoftware.com'
> > "Windows? No thanks, I have work to do..."
> > This message resent by the ucsimm@uclinux.com list
> > server http://www.uClinux.com/
>
>
> __________________________________________________
> Do You Yahoo!?
> Thousands of Stores. Millions of Products. All in one Place.
> http://shopping.yahoo.com/
> This message resent by the ucsimm@uclinux.com list server
http://www.uClinux.com/

This message resent by the ucsimm@uclinux.com list server http://www.uClinux.com/



This archive was generated by hypermail 2b30 : Sun Apr 07 2002 - 00:01:39 EST