RE: [uCsimm] Pinouts for serial cable & Orientation of Red Tantal um

From: Ryan.HARKIN@syntegra.com
Date: Thu Aug 02 2001 - 03:39:14 EDT


Ooooh, that's cheeky.
Being a software engineer, I can't count. So I got a hardware engineer to
do it for me.....
I like the explanation about the cheap male connector best.

> -----Original Message-----
> From: Phil Wilshire [mailto:philw@lineo.com]
> Sent: 30 July 2001 16:58
> To: ucsimm@uclinux.org
> Subject: Re: [uCsimm] Pinouts for serial cable & Orientation of Red
> Tantal um
>
>
> Ryan
> It look like you are counting the pins from the wrong end.
>
> Phil ;-))
> >
> > Reading the message below, I would have expected pins 2,3
> and 5 to be the
> > serial port pins on my uCgardener. All of my serial cables
> are wired as
> > 2,3,5.
> >
> > However, I am having to use pins 1, 3 and 4 (1 is GND).
> >
> > Can someone explain this? The only explanation I could
> come up with is that
> > I installed the 9 way male connector on the wrong side of
> the board, but I
> > installed it on the "top", just like it is in the photos
> shown in the
> > uClinux handbook!
> >
> > It isn't a problem now that I know, but it took me a while
> to figure it out
> > - I thought that I had a dead module. Instead, I now have
> a "special"
> > uCgardener serial cable.
> >
> > As for the orientation of that red tantalum... I have
> serious words about
> > that.... the writing on the cap DOES NOT FACE THE CENTER OF
> THE PCB. It
> > faces the DB9; away from the uCsimm socket; away from the
> center of the pcb,
> > in my opinion. It neither faces the RJ45 nor vice versa
> because it is
> > perpendicular to it. Luckily I have a hardware engineer to
> hand or I could
> > have been in trouble.
> >
> > Lineo, please update the documentation that comes with the
> uCgardener!!!!
> >
> > On an happy note, thanks to the help I have been given
> here, I have my
> > uCsimm & gardener up and running. The packages are all
> installed on my PC
> > and I am now the proud user of uClinux on a real embedded target.
> >
> > Cheers,
> > Ryan.
> >
> > >Are you using the uCgardener?
> > >DB9 pin 2 is RSTXD and pin 3 is RSTXD. pin 5 is GND
> > >Which allows a straight through DB9 --- DB9 cable to
> connect to the Serial
> > >Port on a Linux PC (is there another kind?).
> > >
> > >
> >
> > >> -----Original Message-----
> > >> From: Terry Carlin [SMTP:carlintg@bellatlantic.net]
> > >> Sent: Friday, May 12, 2000 12:41 PM
> > >> To: ucsimm@uClinux.com
> > >> Subject: [uCsimm] Pinouts for serial cable
> > >>
> > >> Looking for the pinouts to hook up the uCsimm to a linux
> serial port. db9
> >
> > >> to db9.
> > >>
> > >> Thanks
> > >>
> > >> Terry Carlin
> >
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> >
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> >
> > Check us out at http://www.syntegra.com
> >
> > ********************************************************************
> > This message resent by the ucsimm@uclinux.com list server
http://www.uClinux.com/

-- 
Phil Wilshire
Wizard Trainer  -- Lineo Inc. -- Where Open Meets Smart
Tel: (703) 863-0715
This message resent by the ucsimm@uclinux.com list server
http://www.uClinux.com/

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This email may contain information which is privileged or confidential. If you are not the intended recipient of this email, please notify the sender immediately and delete it without reading, copying, storing, forwarding or disclosing its contents to any other person Thank you

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