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Unread 23-06-2002, 21:55
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Re: On-board chip spec's

Posted by Lloyd Burns.

Coach on team #188, Woburn Robotics, from Woburn Collegiate and Canada 3000, ScotiaBank, Royal Bank Financial.

Posted on 8/26/99 3:00 AM MST


In Reply to: On-board chip spec's posted by Matt Rizzo on 8/23/99 1:13 PM MST:



: Does anyone have the spec sheets for the ADC, the SSC, and the shift registers that are on the First '98 Reciever Board? I am looking for the actual spec's right fromt the manufacturer. Thanks for any help.

: -Matt Rizzo

By now, Matt, you have Joe's info, but the ADC's, and the SR's data sheets
are available on the web from the manufacturers, and that means any manufacturer
who makes those chips; they are often generic.

In my clone, I chose to use a '165 on the switch input, because the '597
was not readily available here. It turns out, by good fortune, that the board
layout was eased by the different pinout.

The SSR First uses was a unit that was ordered from a source in the south-
western U.S., as a PIC16C61-20 custom programmed to do the job. I programmed
a 16C84 to do the same job, with my own program. The '84 was easier for me to
use as a development device as it has EEPROM rather than UV-erasable program memory.

My point here is that you can get info on most any standard IC still in production
from the net, and program the intelligent non-standard items yourself. And once you
have the information, feel free to substitute: search the manufacturers site data
sheets for devices with the same function, noting any different pinouts.

Main point - have fun doing it, knowing that you'll be keeping your next First
controller permanently. My clone's cost (one off) was about half the amount of
the deposit. :-\


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