<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div>Thanks! 8575 is great too, and as a 16-bit chip preferred, even, but not available in oldfashioned DIP format, only the lowprofile miniature... There's always something :-)<br><br>rick</div><div><br>On 10 Aug 2015, at 10:02, Ullrich Peter <<a href="mailto:Peter.Ullrich@kapsch.net">Peter.Ullrich@kapsch.net</a>> wrote:<br><br></div><blockquote type="cite">
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<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Arial","sans-serif";color:#1F497D">And if you use other I2C controllers you can have up to 28 IOs in one chip. (push-pull possible, but interrupts on input for only a few lines)
<a href="http://www.maximintegrated.com/en/products/interface/controllers-expanders/MAX7300.html">
http://www.maximintegrated.com/en/products/interface/controllers-expanders/MAX7300.html</a><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Arial","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Arial","sans-serif";color:#1F497D">There is also a SPI version available with similar IOs<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Arial","sans-serif";color:#1F497D"><a href="http://www.maximintegrated.com/datasheet/index.mvp/id/3371/part/MAX7301">http://www.maximintegrated.com/datasheet/index.mvp/id/3371/part/MAX7301</a><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Arial","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Arial","sans-serif";color:#1F497D">But on the negative side you are single sourced with these parts.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Arial","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Arial","sans-serif";color:#1F497D">For standard parts there are also 16 bit version widely available: PCF8575<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Arial","sans-serif";color:#1F497D"><a href="http://www.ti.com/lit/ds/symlink/pcf8575.pdf">http://www.ti.com/lit/ds/symlink/pcf8575.pdf</a><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Arial","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Arial","sans-serif";color:#1F497D">Ciao<br>
Peter<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Arial","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Arial","sans-serif";color:#1F497D"><a href="http://www.ullrich.at.tt">http://www.ullrich.at.tt</a><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Arial","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><br></p></div>
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