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19068Re: [nslu2-linux] Re: ForcePowerAlwaysOn and IC equivalence

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  • Olivier Guilyardi
    Jun 20, 2007
    • 0 Attachment
      Hello Rob,

      Okay, I'll do this once it's wired and working.

      Olivier

      Rod Whitby wrote:
      > Olivier,
      >
      > The best way to show your thanks is to add that information to the wiki.
      >
      > -- Rod
      >
      > Olivier Guilyardi wrote:
      >> That's good news :) Thanks for your help.
      >>
      >> Olivier
      >>
      >> mlsmith59 wrote :
      >>> Just in case you don't know VCC is VDD and GND is VSS.
      >>>
      >>> --- In nslu2-linux@yahoogroups.com, "Mark Smith" <marksmith@...>
      >>> wrote:
      >>>> The Dallas DS1233-10 should work fine for this. It has a different
      >>> pinout
      >>>> than the Microchip part I used in the wiki description so just be
      >>> sure to
      >>>> connect the correct pin to the appropriate points on the circuit
      >>> board.
      >>>> Check the two data sheets you referenced to determine which pin is
      >>> which.
      >>>> My picture is using the -D pinout which can be found at the top of
      >>> sheet one
      >>>> of the microchip data sheet.
      >>>>
      >>>>
      >>>>
      >>>> Mark
      >>>>
      >>>>
      >>>>
      >>>> _____
      >>>>
      >>>> From: nslu2-linux@yahoogroups.com [mailto:nslu2-
      >>> linux@yahoogroups.com] On
      >>>> Behalf Of Olivier Guilyardi
      >>>> Sent: Tuesday, June 19, 2007 3:24 PM
      >>>> To: nslu2-linux@yahoogroups.com
      >>>> Subject: [nslu2-linux] ForcePowerAlwaysOn and IC equivalence
      >>>>
      >>>>
      >>>>
      >>>> Hi,
      >>>>
      >>>> We are trying to make a slug restart after power-loss. For this
      >>> purpose we
      >>>> want
      >>>> to wire the "Alternative 1" as explained on:
      >>>> http://www.nslu2- <http://www.nslu2-
      >>> linux.org/wiki/HowTo/ForcePowerAlwaysOn>
      >>>> linux.org/wiki/HowTo/ForcePowerAlwaysOn
      >>>>
      >>>> Unfortunately, the Microchip MCP120 component is rather hard to
      >>> find here in
      >>>> France (and our schedule forbids overseas ordering). But according
      >>> to the
      >>>> wiki
      >>>> page the Dallas DS1233 is an equivalent, and we did find the DS1233-
      >>> 10 to be
      >>>> available for fast delivery in France.
      >>>>
      >>>> According to the following references, the DS1233-10 seems similar
      >>> to the
      >>>> MCP120-450DI/TO:
      >>>> http://ww1.microchi
      >>>> <http://ww1.microchip.com/downloads/en/DeviceDoc/11184d.pdf>
      >>>> p.com/downloads/en/DeviceDoc/11184d.pdf
      >>>> http://docs-
      >>>> <http://docs-
      >>> europe.electrocomponents.com/webdocs/0025/0900766b80025c80.pdf>
      >>>> europe.electrocomponents.com/webdocs/0025/0900766b80025c80.pdf
      >>>>
      >>>> But I'm no specialist of this kind of thing...
      >>>>
      >>>> Could anyone confirm that the DS1233-10 should be a good equivalent?
      >>>>
      >>>> Regards,
      >>>>
      >>>> --
      >>>> Olivier
      >>>>
      >>>
      >>>
      >>>
      >>> Yahoo! Groups Links
      >>>
      >>>
      >>>
      >>>
      >>
      >>
      >>
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