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From: ycy@walt.cc.utexas.edu (Joseph Yip)
Newsgroups: sci.electronics,comp.sys.ibm.pc
Subject: Is PC parallel port latched?
Message-ID: <33965@ut-emx.UUCP>
Date: 13 Jul 90 20:34:31 GMT
Sender: news@ut-emx.UUCP
Reply-To: ycy@walt.cc.utexas.edu (Joseph Yip)
Organization: The University of Texas at Austin, Austin, Texas
Lines: 19

Hi,

I am trying to use IBM PC's parallel port (printer port) as digital
output port. This will save me from buying a digital I/O card.
The printer port is an 8-bit output. I do not know if the output is
latched or not. This means that if I send a character to the printer
port, will the 8-bit lines stay the same. I 
am thinking of using the parallel port to control a stepper motor. 

If the parallel port is not latched, what is the easiest way to
make it latch?

Thank you.

- Joseph Yip

Email: joseph@zeus.ee.utexas.edu
Tel: (512) 471-1862
Addr: ECE, ENS 520, UT Austin, Austin, TX 78712