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<?xml-stylesheet type="text/xsl" href="https://community.arm.com/utility/feedstylesheets/rss.xsl" media="screen"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/" xmlns:wfw="http://wellformedweb.org/CommentAPI/"><channel><title>C51 connection with comp parallel port</title><link>https://community.arm.com/developer/tools-software/tools/f/keil-forum/24970/c51-connection-with-comp-parallel-port</link><description> 
hey 
can any body had used the computer parallel port connection with the
P0 port on the controller to receive data from computer and do the
processes 
 </description><dc:language>en-US</dc:language><generator>Telligent Community 10</generator><item><title>RE: C51 connection with comp parallel port</title><link>https://community.arm.com/thread/114655?ContentTypeID=1</link><pubDate>Wed, 04 Feb 2009 16:19:56 GMT</pubDate><guid isPermaLink="false">dd9e70c8-6d3c-4c71-b136-2456382a7b5c:0f044d37-e279-43fb-aaaa-43b43245c136</guid><dc:creator>Andy Neil</dc:creator><description>&lt;p&gt;&lt;p&gt;
If you do use something like that, the 89c51 remains oblivious to
that fact that USB is involved at all - it remains just a standard
UART interface &lt;i&gt;as far as the 89c51 is concerned&lt;/i&gt;&lt;/p&gt;
&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item><item><title>RE: C51 connection with comp parallel port</title><link>https://community.arm.com/thread/102957?ContentTypeID=1</link><pubDate>Wed, 04 Feb 2009 14:46:24 GMT</pubDate><guid isPermaLink="false">dd9e70c8-6d3c-4c71-b136-2456382a7b5c:ecb5bf4a-0a6b-44fd-b430-93ae86e909cc</guid><dc:creator>Andy Neil</dc:creator><description>&lt;p&gt;&lt;p&gt;
The easiest way is with something like this:&lt;/p&gt;

&lt;p&gt;
&lt;a target="_blank" href="http://apple.clickandbuild.com/cnb/shop/ftdichip?op=catalogue-products-null&amp;amp;prodCategoryID=47&amp;amp;title=Cables"&gt;apple.clickandbuild.com/.../ftdichip&lt;/a&gt;:+TTL-232R&lt;/p&gt;
&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item><item><title>RE: C51 connection with comp parallel port</title><link>https://community.arm.com/thread/101600?ContentTypeID=1</link><pubDate>Wed, 04 Feb 2009 14:39:37 GMT</pubDate><guid isPermaLink="false">dd9e70c8-6d3c-4c71-b136-2456382a7b5c:ac3fbac9-d010-4f54-9af5-e2c03d8cd0ce</guid><dc:creator>ImPer Westermark</dc:creator><description>&lt;p&gt;&lt;p&gt;
The printer port is not just 8 data lines. It also contains
handshake signals to inform the printer when a byte is available.&lt;/p&gt;

&lt;p&gt;
When data is available, just read it from the port.&lt;/p&gt;
&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item><item><title>RE: C51 connection with comp parallel port</title><link>https://community.arm.com/thread/77131?ContentTypeID=1</link><pubDate>Wed, 04 Feb 2009 11:44:25 GMT</pubDate><guid isPermaLink="false">dd9e70c8-6d3c-4c71-b136-2456382a7b5c:d1368fcd-b23b-4b4d-bf15-6f6c99232858</guid><dc:creator>= uV =</dc:creator><description>&lt;p&gt;&lt;p&gt;
sir i simply connected the parallel port with the P0 port of 89c51
and i m confused now how to read the data sent by the parallel
port.&lt;/p&gt;

&lt;p&gt;
so can you guide me how to read the port P0 by code.&lt;/p&gt;

&lt;p&gt;
can we connect USB with 89c51.&lt;/p&gt;
&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item><item><title>RE: C51 connection with comp parallel port</title><link>https://community.arm.com/thread/55335?ContentTypeID=1</link><pubDate>Wed, 04 Feb 2009 11:33:27 GMT</pubDate><guid isPermaLink="false">dd9e70c8-6d3c-4c71-b136-2456382a7b5c:a913ec4b-5bfc-4892-a638-b811ff26c279</guid><dc:creator>Barney Picket</dc:creator><description>&lt;p&gt;&lt;p&gt;
Yes. I did that about ten years ago. Before USB was so
commonplace.&lt;/p&gt;

&lt;p&gt;
(Does that answer your question?)&lt;/p&gt;
&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item></channel></rss>