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From: gopstein@soleil.UUCP (Rich Gopstein)
Newsgroups: sci.electronics
Subject: Stand-alone UART needed
Keywords: UART
Message-ID: <826@soleil.UUCP>
Date: 27 Oct 89 18:01:04 GMT
Organization: Harris Semiconductor, Somerville, NJ
Lines: 23


I have an application where I need to take 5 bits-per-character serial
data at very slow baud (approx 50 baud), and send it serially to
a PC via the RS-232 port. 

I can accomplish this with two back-to-back UARTS running at different
clock speeds and different bits-per-character.  I don't plan to
include a microprocessor in this device, only two UARTS, two clocks,
and some drivers.

I have looked around at a couple of UARTS, but the ones I looked at
(8250, 2651?) were designed to interface to a computer bus.  I need
UARTS that can be strapped to run with the desired bits-per-character,
stop-bits, etc.  (i.e. I want a UART whose configuration is set via
its external pins, not via an internal register that must be set each
time the power is applied to the device).

Thanks in advance.

-- 
Rich Gopstein

..!rutgers!soleil!gopstein