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Subject: Re: PIC12C508A-based remote - some remarks
From: Steve Russell (raichea_at_yahoo.com)
Date: 2002-12-28


I believe the '508A will work out OK. The open-drain is not a problem, as it
can be emulated by tri-stating the output (that's what I'm doing). The
oscillator spec does go outside the limits required for async comms, but, in
practice, seems to be better than the spec. I've included baud rate
adjustment in case anyone (including me) runs into problems when burning a
different device than my development part, which is comfortably within spec.

Steve.

"Tjerk Schuringa" <regenpak_at_yahoo.com> wrote in message
news:20021227070142.57544.qmail_at_web40407.mail.yahoo.com...
> Another suggestion for an eight pin MCU could be Atmel's AVR12. Advantage
of
> this thingie: EEPROM programmable, open drain output pin (that the '508
lacks
> and which I found essential in the 16LF84). The internal oscillator (1.2
MHz
> LoPo version) is much more accurate, only a few percent which the Archos
UART
> won't object to. The '508 would be questionable, if we're lucky it's just
> within Archos' limits.



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