The usual reason you need external BOR is where you can't afford the
somewhat high draw of the internal ones, i.e. pretty much any battery
application. I don't know if tbe 18C's are any better than the
ridiculously power-hungry 16Cx brownouts.

 ISP problems can be fixed with a series resistor.

On Mon, 26 Aug 2002 17:57:54 -0400, you wrote:

>Hi, all ;-
>
>Any thoughts on whether an external reset chip adds anything in terms
>of reliability of start-up, given that the internal BOR circuit will
>be enabled. Vdd will probably be 5.0V nominal.
>
>I'd like to avoid the cost if it adds nothing and to avoid the
>issue of high voltage (VIHH) on /MCLR during ISP.
>
>Best regards,
>
>Spehro Pefhany --"it's the network..."            "The Journey is the =
reward"
>speff@interlog.com             Info for manufacturers: =
http://www.trexon.com
>Embedded software/hardware/analog  Info for designers:  =
http://www.speff.com
>9/11 United we Stand

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