Re: Working serial port.

"Bruce D. Lightner" <lightner-2huV/[email protected]>
Newsgroups gmane.linux.uclinux.actiontec
Message-ID <[email protected]>
Patrick,

> I have a working serial interface sitting on a breadboard in my lab.  

Good work!

> One big note:  You must have some sort of reset circuit for the UART.  A 
> simple power on will not suffice, the Actiontec will not see it.

Can't we assume that the Actiontec "reset" signal (i.e., RST#) from J5 
will do the job for the UART?

> http://www.supersecret.org/actiontec/serial_boot.jpg
> http://www.supersecret.org/actiontec/breadboard.jpg
> 
> The circuit I'm currently working with is a duplication of what is on 
> the "official" daughter card.  If I get a chance this evening, I'll 
> re-wire it to follow Bruce's schematic and verify that.

That would be great!

> Bruce:  In answer to your "Why attach a GPS?" question.  I'm going to 
> turn one of these units into a time server for my network.

Well, it seems to me that I should probably give you one of these for your 
trouble...

   http://trl.trimble.com/dscgi/ds.py/Get/File-22183/

We get them pretty cheap at Networkcar (http://www.networkcar.com/).

It should fit inside the Actiontec enclosure.

Best regards,

Bruce

-- 
  Bruce D. Lightner
  Lightner Engineering
  La Jolla, California
  Voice: +1-858-551-4011
  FAX: +1-858-551-0777
  Email: lightner-2huV/[email protected]
  URL: http://www.lightner.net/lightner/bruce/

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