http://wiki.sps-pi.cz/index.php?action=history&feed=atom&title=AD_p%C5%99evodn%C3%ADk 2026-05-16T23:09:18Z Historie editací této stránky MediaWiki 1.42.1 http://wiki.sps-pi.cz/index.php?title=AD_p%C5%99evodn%C3%ADk&diff=19461&oldid=prev 2020-04-26T19:44:52Z

<p><span dir="auto"><span class="autocomment">Digital Voltmeter using 8051 Microcontroller</span></span></p> <table style="background-color: #fff; color: #202122;" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="cs"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Starší verze</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Verze z 26. 4. 2020, 19:44</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l31">Řádek 31:</td> <td colspan="2" class="diff-lineno">Řádek 31:</td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==[https://www.electronicshub.org/digital-voltmeter-using-8051-microcontroller/ Digital Voltmeter using 8051 Microcontroller]==</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==[https://www.electronicshub.org/digital-voltmeter-using-8051-microcontroller/ Digital Voltmeter using 8051 Microcontroller]==</div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td></tr> <tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>[[Soubor:digital-voltmeter-using-8051-microcontroller.png|digital-voltmeter-using-8051-microcontroller<del style="font-weight: bold; text-decoration: none;">.png</del>]]</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>[[Soubor:digital-voltmeter-using-8051-microcontroller.png|<ins style="font-weight: bold; text-decoration: none;">link=https://www.electronicshub.org/</ins>digital-voltmeter-using-8051-microcontroller<ins style="font-weight: bold; text-decoration: none;">/</ins>]]</div></td></tr> </table>

JA http://wiki.sps-pi.cz/index.php?title=AD_p%C5%99evodn%C3%ADk&diff=19460&oldid=prev 2020-04-26T19:44:28Z

<p><span dir="auto"><span class="autocomment">Digital Voltmeter using 8051 Microcontroller</span></span></p> <table style="background-color: #fff; color: #202122;" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="cs"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Starší verze</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Verze z 26. 4. 2020, 19:44</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l31">Řádek 31:</td> <td colspan="2" class="diff-lineno">Řádek 31:</td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==[https://www.electronicshub.org/digital-voltmeter-using-8051-microcontroller/ Digital Voltmeter using 8051 Microcontroller]==</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==[https://www.electronicshub.org/digital-voltmeter-using-8051-microcontroller/ Digital Voltmeter using 8051 Microcontroller]==</div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td></tr> <tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>[[<del style="font-weight: bold; text-decoration: none;">Media</del>:digital-voltmeter-using-8051-microcontroller.png|digital-voltmeter-using-8051-microcontroller.png]]</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>[[<ins style="font-weight: bold; text-decoration: none;">Soubor</ins>:digital-voltmeter-using-8051-microcontroller.png|digital-voltmeter-using-8051-microcontroller.png]]</div></td></tr> </table>

JA http://wiki.sps-pi.cz/index.php?title=AD_p%C5%99evodn%C3%ADk&diff=19459&oldid=prev 2020-04-26T19:43:48Z

<p><span dir="auto"><span class="autocomment">Digital Voltmeter using 8051 Microcontroller</span></span></p> <table style="background-color: #fff; color: #202122;" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="cs"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Starší verze</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Verze z 26. 4. 2020, 19:43</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l31">Řádek 31:</td> <td colspan="2" class="diff-lineno">Řádek 31:</td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==[https://www.electronicshub.org/digital-voltmeter-using-8051-microcontroller/ Digital Voltmeter using 8051 Microcontroller]==</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==[https://www.electronicshub.org/digital-voltmeter-using-8051-microcontroller/ Digital Voltmeter using 8051 Microcontroller]==</div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td></tr> <tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>[[<del style="font-weight: bold; text-decoration: none;">:</del>Media:digital-voltmeter-using-8051-microcontroller.png|<del style="font-weight: bold; text-decoration: none;">link=https://www.electronicshub.org/</del>digital-voltmeter-using-8051-microcontroller<del style="font-weight: bold; text-decoration: none;">/</del>]]</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>[[Media:digital-voltmeter-using-8051-microcontroller.png|digital-voltmeter-using-8051-microcontroller<ins style="font-weight: bold; text-decoration: none;">.png</ins>]]</div></td></tr> </table>

JA http://wiki.sps-pi.cz/index.php?title=AD_p%C5%99evodn%C3%ADk&diff=19458&oldid=prev 2020-04-26T19:43:21Z

<p><span dir="auto"><span class="autocomment">Digital Voltmeter using 8051 Microcontroller</span></span></p> <table style="background-color: #fff; color: #202122;" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="cs"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Starší verze</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Verze z 26. 4. 2020, 19:43</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l31">Řádek 31:</td> <td colspan="2" class="diff-lineno">Řádek 31:</td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==[https://www.electronicshub.org/digital-voltmeter-using-8051-microcontroller/ Digital Voltmeter using 8051 Microcontroller]==</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==[https://www.electronicshub.org/digital-voltmeter-using-8051-microcontroller/ Digital Voltmeter using 8051 Microcontroller]==</div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td></tr> <tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>[[Media:digital-voltmeter-using-8051-microcontroller.png|link=https://www.electronicshub.org/digital-voltmeter-using-8051-microcontroller/]]</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>[[<ins style="font-weight: bold; text-decoration: none;">:</ins>Media:digital-voltmeter-using-8051-microcontroller.png|link=https://www.electronicshub.org/digital-voltmeter-using-8051-microcontroller/]]</div></td></tr> </table>

JA http://wiki.sps-pi.cz/index.php?title=AD_p%C5%99evodn%C3%ADk&diff=19456&oldid=prev 2020-04-26T19:41:29Z

<p></p> <table style="background-color: #fff; color: #202122;" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="cs"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Starší verze</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Verze z 26. 4. 2020, 19:41</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l28">Řádek 28:</td> <td colspan="2" class="diff-lineno">Řádek 28:</td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>ADCH registr SFR obsahující výsledek převodu ( vyšších 8 bitů )</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>ADCH registr SFR obsahující výsledek převodu ( vyšších 8 bitů )</div></td></tr> <tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></ins></div></td></tr> <tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">==[https://www.electronicshub.org/digital-voltmeter-using-8051-microcontroller/ Digital Voltmeter using 8051 Microcontroller]==</ins></div></td></tr> <tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></ins></div></td></tr> <tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">[[Media:digital-voltmeter-using-8051-microcontroller.png|link=https://www.electronicshub.org/digital-voltmeter-using-8051-microcontroller/]]</ins></div></td></tr> </table>

JA http://wiki.sps-pi.cz/index.php?title=AD_p%C5%99evodn%C3%ADk&diff=11194&oldid=prev 2011-05-19T12:40:40Z

<p>Založena nová stránka: &#039;&#039;&#039;A/D převodník&#039;&#039;&#039; Je obsažen např. v m-počítači 80C550, 80C552, 80C562. Převodník je 8-mi nebo 10-ti bitový Počet analogových vstupů je 8, ( 8-mi kanálov...</p> <p><b>Nová stránka</b></p><div>&#039;&#039;&#039;A/D převodník&#039;&#039;&#039;<br /> <br /> Je obsažen např. v m-počítači 80C550, 80C552, 80C562.<br /> <br /> Převodník je 8-mi nebo 10-ti bitový<br /> <br /> Počet analogových vstupů je 8, ( 8-mi kanálový multiplexer )<br /> <br /> Metoda postupné aproximace<br /> <br /> Doba převodu je 50 strojních cyklů ( 37.5 ms při fOSC = 16MHz )<br /> <br /> Rozsah vstupního napětí je 0 - +5V<br /> <br /> Referenční napětí a napájecí napětí převodníku má samostatné vývody<br /> <br /> [[Soubor:mit11.jpg]]<br /> <br /> Činnost řídí SFR registr ADCON Start převodu nastavením bitu ADCON.3 ( ADCS )<br /> <br /> Po skončení převodu se nastaví bit ADCON.1 ( ADCI ), generace žádosti o přerušení avynuluje se bit ADCS. Bit ADCI nutno nulovat programově ( součást obsluhy přerušení )<br /> <br /> Start převodu je možný řídit vnějším signálem STADC pokud je ADCON.5 ( ADEX ) = 1.<br /> <br /> ADCON.0 – ADCON.2 ( AADR0 – AADR.2 ) - výběr analogového vstupu ADC0 – ADC7.(v bráně P5)<br /> <br /> ADCON.6 – ADCON.7 obsahují nejnižší dva bity výsledku převodu ( ADC.0 a ADC.1 ) <br /> <br /> ADCH registr SFR obsahující výsledek převodu ( vyšších 8 bitů )</div>

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