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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>periheral(8251) interface with the keil board.</title><link>https://community.arm.com/developer/tools-software/tools/f/keil-forum/17357/periheral-8251-interface-with-the-keil-board</link><description> 
 Hi,
 i am developing an application which implements the keil another Asynchronous port. Here we are using keil ST10168 board. we are having the 8251 as the USART. To connect 8251 with the board,we have taken the 8 bit demultiplexed bus. 

Can you</description><dc:language>en-US</dc:language><generator>Telligent Community 10</generator><item><title>RE: periheral(8251) interface with the keil board.</title><link>https://community.arm.com/thread/54479?ContentTypeID=1</link><pubDate>Wed, 03 Jul 2002 00:26:48 GMT</pubDate><guid isPermaLink="false">dd9e70c8-6d3c-4c71-b136-2456382a7b5c:ad0fca15-c886-4364-b799-150ccf9548d6</guid><dc:creator>Bharathi  Munagala</dc:creator><description>&lt;p&gt;&lt;pre&gt;
 Hi, 
    Thank you for your reply. But while configuring the board we are trying to change the SYSCON some variable in the start167.a166 file. eventhough the values are not reflecting. can any one you give the reason why it is happening like that.

   Actually i wanted change the default settings of the CSSEL and SALSEL.we have changed the CSSEL in the dip switches and RSTCON register. But when i am changing the DIP of SALSEL value then Monitor error is coming. so, i have changed in the RSTCON register with the help of SUE bit setting in that register.
    Even thought the Regiser values of RP0H are not reflecting.
Could any one give reason why it is behaving like that. 
Regards 
Bharathi
&lt;/pre&gt;&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item><item><title>RE: periheral(8251) interface with the keil board.</title><link>https://community.arm.com/thread/38856?ContentTypeID=1</link><pubDate>Mon, 17 Jun 2002 04:17:25 GMT</pubDate><guid isPermaLink="false">dd9e70c8-6d3c-4c71-b136-2456382a7b5c:0f7add9f-1ab9-49d9-8e74-918233d5b39e</guid><dc:creator>Mik Kleshov</dc:creator><description>&lt;p&gt;Have you got the manual for ST10F168? It&amp;#39;s all there. In case you don&amp;#39;t have it (seems like ST has never released a manual for ST10F168) read the manual for C167CR:&lt;br /&gt;
&lt;a href="http://www.infineon.com/cgi/ecrm.dll/ecrm/scripts/public_download.jsp?oid=8066&amp;amp;parent_oid=13756" target="_blank"&gt;http://www.infineon.com/cgi/ecrm.dll/ecrm/scripts/public_download.jsp?oid=8066&amp;amp;parent_oid=13756&lt;/a&gt;&lt;br /&gt;
it&amp;#39;s almost the same.&lt;br /&gt;
There is a section there called &amp;quot;The External Bus Intarface.&amp;quot; It contains about 30 pages of useful information. Trying to retell it here would be a waste of time.&lt;br /&gt;
There is also a good book called &amp;quot;The Insider&amp;#39;s Guide To Planning C166 Family Designs&amp;quot;:&lt;br /&gt;
&lt;a href="http://www.hitex.co.uk/book166/166des19-a.html" target="_blank"&gt;http://www.hitex.co.uk/book166/166des19-a.html&lt;/a&gt;&lt;br /&gt;
&lt;br /&gt;
Good luck!&lt;br /&gt;
- Mike&lt;br /&gt;
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