Switching Between Main and Aux Ports At Different BAUD Rates - This simple program prints messages to both ports at different baud rates. Two routines are provided to switch to each port in the simplest and fastest (no arbitrary delays) method when using polled serial I/O.

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Need some help? Just ask, and maybe I'll be able to put together a simple example to help you and others with a similar problem.

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8051 Development System Circuit Board, Paul Stoffregen
http://www.pjrc.com/tech/8051/board5/more_examples.html
Last updated: February 24, 2005
Status: work in progress, more info to come
Suggestions, comments, criticisms: <paul@pjrc.com>