Wes Stewart wrote:

Cecil Moore wrote:
|A two-wire serial ASCII RS232 line is time-multiplexed between
|marks and spaces, i.e. you can't have a mark and a space occurring
|at the same time. :-)

Baloney.

Didn't you ever use an 8 to 1 *MULTIPLEXER* chip to change
parallel BAUDOT to serial BAUDOT? The parallel BAUDOT bits
are time-multiplexed into a serial bit stream by the
three clock bits. The first parallel bit is hard-wired to
yield a start pulse and the last two parallel bits are hard-
wired to yield a stop pulse. The center five parallel BAUDOT
bits are time-multiplexed from parallel to serial by five
states of the clock.
--
73, Cecil http://www.qsl.net/w5dxp


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