<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div dir="ltr"></div><div dir="ltr">Moc to nechapu??? Vsechny rtc ic maji zalohovani baterii/scap. S periodickym nebo event vystupem preruseni je jich taky hromada. </div><div dir="ltr"><br></div><div dir="ltr">T </div><div dir="ltr"><br>5. 1. 2019 v 12:35, Radek Koutský <<a href="mailto:radek.koutsky@gmail.com">radek.koutsky@gmail.com</a>>:<br><br></div><blockquote type="cite"><div dir="ltr"><meta http-equiv="Content-Type" content="text/html; charset=iso-8859-2"><meta name="Generator" content="Microsoft Word 14 (filtered medium)"><style><!--
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</o:shapelayout></xml><![endif]--><div class="WordSection1"><p class="MsoNormal"><span style="font-family:"Verdana","sans-serif";color:black">Zdravím,<o:p></o:p></span></p><p class="MsoNormal"><span style="font-family:"Verdana","sans-serif";color:black"><o:p> </o:p></span></p><p class="MsoNormal"><span style="font-family:"Verdana","sans-serif";color:black">hledání nějaký obvod RTCC, který by měl vlastnosti:<o:p></o:p></span></p><p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l0 level1 lfo1"><!--[if !supportLists]--><span style="font-family:"Verdana","sans-serif";color:black"><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman""> </span></span></span><!--[endif]--><span style="font-family:"Verdana","sans-serif";color:black">Jednoduchá sběrnice I2C, SPI<o:p></o:p></span></p><p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l0 level1 lfo1"><!--[if !supportLists]--><span style="font-family:"Verdana","sans-serif";color:black"><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman""> </span></span></span><!--[endif]--><span style="font-family:"Verdana","sans-serif";color:black">Provoz na záložní baterii<o:p></o:p></span></p><p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l0 level1 lfo1"><!--[if !supportLists]--><span style="font-family:"Verdana","sans-serif";color:black"><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman""> </span></span></span><!--[endif]--><span style="font-family:"Verdana","sans-serif";color:black">nabíjení záložní baterie<o:p></o:p></span></p><p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l0 level1 lfo1"><!--[if !supportLists]--><span style="font-family:"Verdana","sans-serif";color:black"><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman""> </span></span></span><!--[endif]--><span style="font-family:"Verdana","sans-serif";color:black">SMD provedení<o:p></o:p></span></p><p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l0 level1 lfo1"><!--[if !supportLists]--><span style="font-family:"Verdana","sans-serif";color:black"><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman""> </span></span></span><!--[endif]--><span style="font-family:"Verdana","sans-serif";color:black">nejlépe 8pin (SOIC, TSSOP, …) ale to až taková podmínka být nemusí<o:p></o:p></span></p><p class="MsoNormal"><span style="font-family:"Verdana","sans-serif";color:black"><o:p> </o:p></span></p><p class="MsoNormal"><span style="font-family:"Verdana","sans-serif";color:black">v podstatě až sem to splňuje můj oblíbený DS1302.<o:p></o:p></span></p><p class="MsoNormal"><span style="font-family:"Verdana","sans-serif";color:black"><o:p> </o:p></span></p><p class="MsoNormal"><span style="font-family:"Verdana","sans-serif";color:black">Ale potřeboval bych ještě jednu funkci a to je volba přerušení do MCU. Stačilo by mi každou vteřinu, nebo jsou i různé, ale na tom netrvám. Nicméně toto už nesplňuje DS1302, u něj je potřeba si čas vždy vytáhnout. Koukal jsem zatím na nějaké obyčejné RTCC obvody a hromada z nich umí přerušení, ale zase třeba nemají provoz na baterii.<o:p></o:p></span></p><p class="MsoNormal"><span style="font-family:"Verdana","sans-serif";color:black"><o:p> </o:p></span></p><p class="MsoNormal"><span style="font-family:"Verdana","sans-serif";color:black"><o:p> </o:p></span></p><p class="MsoNormal"><span style="font-family:"Verdana","sans-serif";color:black">Než se zabořím do hledání, neměl by někdo tip na vhodný RTCC obvod?<o:p></o:p></span></p><p class="MsoNormal"><span style="font-family:"Verdana","sans-serif";color:black"><o:p> </o:p></span></p><p class="MsoNormal"><span style="font-family:"Verdana","sans-serif";color:black"><o:p> </o:p></span></p><p class="MsoNormal"><span style="font-family:"Verdana","sans-serif";color:black">Díky RK <o:p></o:p></span></p></div></div></blockquote><blockquote type="cite"><div dir="ltr"><span>_______________________________________________</span><br><span>HW-list mailing list - sponsored by <a href="http://www.HW.cz">www.HW.cz</a></span><br><span><a href="mailto:Hw-list@list.hw.cz">Hw-list@list.hw.cz</a></span><br><span><a href="http://list.hw.cz/mailman/listinfo/hw-list">http://list.hw.cz/mailman/listinfo/hw-list</a></span><br></div></blockquote></body></html>