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-<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3c.org/TR/html4/strict.dtd">
-<html>
- <head>
- <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
- <title> PIC16F87xDIL2801A PIC16F87xSO2801A </title>
- <meta name="keywords" content="stavebnice MLAB univerzální moduly">
- <meta name="description" content="Projekt MLAB, Vzorová stránka">
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- <script type="text/javascript" src="../../../../../Web/JS/MLAB_Menu.js"></script>
- <!-- AUTOINCLUDE END -->
- </head>
-
- <body lang="cs">
-
- <!-- AUTOINCLUDE START "Page/Header.cs.ihtml" DO NOT REMOVE -->
- <!-- ============== HLAVICKA ============== -->
- <div class="Header">
- <script type="text/javascript">
- <!--
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- DrawHeader();
- // -->
- </script>
- <noscript>
- <p><b> Pro zobrazení (vložení) hlavičky je potřeba JavaScript </b></p>
- </noscript>
- </div>
- <!-- AUTOINCLUDE END -->
-
- <!-- AUTOINCLUDE START "Page/Menu.cs.ihtml" DO NOT REMOVE -->
- <!-- ============== MENU ============== -->
- <div class="Menu">
- <script type="text/javascript">
- <!--
- SetRelativePath("../../../../../");
- DrawMenu();
- // -->
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- <p><b> Pro zobrazení (vložení) menu je potřeba JavaScript </b></p>
- </noscript>
- </div>
- <!-- AUTOINCLUDE END -->
-
- <!-- ============== TEXT ============== -->
- <div class="Text">
- <p class="Title">
- Modul pro procesory PIC16F87x
- </p>
- <p class=Autor>
- Milan Horkel
- </p>
- <p class="Subtitle">
- Moduly PIC16F87xDIL2801A a PIC16F87xSO2801A jsou určeny pro práci s
- procesory PIC s 28 vývody. Schéma a dokumentace je společná pro obě
- varianty modulů.
- </p>
- <p class="Subtitle">
- <img width="302" height="359" src="Pictures/image001.jpg"
- alt="Pohled na modul, varianta DIL">
- <img width="301" height="360" src="Pictures/image002.jpg"
- alt="Pohled na modul, varianta SO">
- </p>
- <p>
- <a href="../PIC16F87xDIL2801A.cs.pdf"><img class="NoBorder"
- src="../../../../../Web/PIC/FileIco_PDF.ico"
- alt="Acrobat">&nbsp;PDF verze</a>
- </p>
-
- <h1> Technické parametry </h1>
-
- <table>
- <tr>
- <th> Parametr </th>
- <th> Hodnota </th>
- <th> Poznámka </th>
- </tr>
- <tr>
- <td> Napájení </td>
- <td> +2V až +5V </td>
- <td> Dle aplikace </td>
- </tr>
- <tr>
- <td> Spotřeba </td>
- <td> cca 2mA </td>
- <td> Závisí na aplikaci a zatížení výstupů </td>
- </tr>
- <tr>
- <td> Podporované procesory </td>
- <td> PIC16F873, 873A, 876, 876A </td>
- <td> Procesory PIC s 28 vývody v pouzdrech DIL a SO </td>
- </tr>
- <tr>
- <td> Rozměry </td>
- <td> 51 x 61 x 16 mm </td>
- <td> Výška na základní deskou </td>
- </tr>
- </table>
-
- <h1> Popis konstrukce </h1>
-
- <h2> Úvodem </h2>
-
- <p>
- Modul obsahuje samotný procesor spolu s nejobvyklejšími součástkami
- okolo sebe. Pro (hlavní) krystal je vhodné osadit konektor (například z
- precizní DIL patice), aby bylo možno použít libovolný krystal. Některé
- novější procesory dokonce krystal vůbec nepotřebují a vývody původně
- určené pro krystal lze použít jako vstupní či výstupní vývody. Procesor
- je možno programovat přímo v zapojení prostřednictvím programovacího
- konektoru.
- </p>
-
- <p>
- Dále je na modulu umístěno několik odporů a kondenzátorů k volnému
- použití.
- </p>
-
- <h2> Zapojení modulu </h2>
-
- <p>
- <img width="274" height="140" src="Pictures/image003.gif"
- alt="Napájení">
- <img width="145" height="356" src="Pictures/image004.gif"
- alt="Rezervní součástky">
- </p>
-
- <p>
- Zapojení je velmi jednoduché. Dioda D1 je ochranná proti přepólování
- napájení. Krystal X1 je hlavní krystal (je v patici) a X2 je hodinkový
- krystal pro RTC (připojuje se pomocí propojek J34 a J35).
- </p>
-
- <p>
- <img width="597" height="761" src="Pictures/image005.gif"
- alt="Schéma procesorové části">
- </p>
-
- <p>
- Propojky J30 až J33 umožňují připojení referenčního napětí a
- blokovacích kondenzátorů pro referenční napětí. Propojky J36 až J38
- umožňují připojit pull-up odpory na vývody I2C jednotky.
- </p>
-
- <h2> Mechanická konstrukce </h2>
-
- <p>
- Mechanická konstrukce je standardní jako u ostatních modulů stavebnice.
- V rozích desky jsou rohové sloupky M3 výšky 5mm pro uchycení modulu k
- nosné desce.
- </p>
-
- <h1> Osazení a oživení </h1>
-
- <h2> Osazení </h2>
-
- <p>
- Při osazování nezapomeneme ne to, že krystal X1 má být v patici tvořené
- 3 piny z precizního DIL soklu a procesor v DIL pouzdře je umístěn v
- obyčejné DIL patici.
- </p>
-
- <table class="Soupiska">
- <tr>
- <th> Reference </th>
- <th> Hodnota </th>
- </tr>
- <tr>
- <th colspan="2"> Odpory </th>
- </tr>
- <tr>
- <td> R2 </td>
- <td> 100 </td>
- </tr>
- <tr>
- <td> R1, R3, R4, R5, R6, R7 </td>
- <td> 10k </td>
- </tr>
- <tr>
- <th colspan="2"> Keramické kondenzátory </th>
- </tr>
- <tr>
- <td> C5, C6 </td>
- <td> 22pF </td>
- </tr>
- <tr>
- <td> C7, C8 </td>
- <td> 33pF </td>
- </tr>
- <tr>
- <td> C3, C4, C9, C10, C11 </td>
- <td> 10nF </td>
- </tr>
- <tr>
- <td> C1 </td>
- <td> 100nF </td>
- </tr>
- <tr>
- <th colspan="2"> Tantalové kondenzátory </th>
- </tr>
- <tr>
- <td> C2 </td>
- <td> 10uF/6.3V </td>
- </tr>
- <tr>
- <th colspan="2"> Diody </th>
- </tr>
- <tr>
- <td> D1 </td>
- <td> 1N4007 </td>
- </tr>
- <tr>
- <th colspan="2"> Integrované obvody </th>
- </tr>
- <tr>
- <td> U1 </td>
- <td> PIC16F873A/SP<br>
- PIC16F873A/SO </td>
- </tr>
- <tr>
- <th colspan="2"> Krystaly </th>
- </tr>
- <tr>
- <td> X2 </td>
- <td> 32768Hz </td>
- </tr>
- <tr>
- <td> X1 </td>
- <td> 4.0MHz </td>
- </tr>
- <tr>
- <th colspan="2"> Mechanické součástky </th>
- </tr>
- <tr>
- <td> SW1 </td>
- <td> P-B1720 </td>
- </tr>
- <tr>
- <td> J38 </td>
- <td> JUMP2 </td>
- </tr>
- <tr>
- <td> J39+J41+J43,<br>
- J40+J42+J44,<br>
- J45+J47+J49,<br>
- J46+J48+J50 </td>
- <td> JUMP3 </td>
- </tr>
- <tr>
- <td> J29 </td>
- <td> PIC_ISP (JUMP6) </td>
- </tr>
- <tr>
- <td> J34+J35, J36+J37 </td>
- <td> JUMP2x2 </td>
- </tr>
- <tr>
- <td> J51+J52 </td>
- <td> JUMP2x3 </td>
- </tr>
- <tr>
- <td> J30+J31+J32+J33 </td>
- <td> JUMP2x4 </td>
- </tr>
- <tr>
- <td> J1-J14,J15-J28 </td>
- <td> JUMP2X14 </td>
- </tr>
- <tr>
- <th colspan="2"> Konstrukční součásti </th>
- </tr>
- <tr>
- <td> 1x </td>
- <td> SOKL DIL18 </td>
- </tr>
- <tr>
- <td> 4x </td>
- <td> Šroub M3x12, křížový, válcová hlava </td>
- </tr>
- <tr>
- <td> 4x </td>
- <td> Podložka M3 </td>
- </tr>
- <tr>
- <td> 4x </td>
- <td> Sloupek M3x5 </td>
- </tr>
- </table>
-
- <p>
- Tabulka zahrnuje obě varianty (DIL i SO pouzdro).
- </p>
-
- <p>
- <img width="303" height="361" src="Pictures/image006.jpg"
- alt="Osazení, strana součástek, varianta DIP">
- <img width="302" height="361" src="Pictures/image007.jpg"
- alt="Osazení, strana součástek, varianta SO">
- <img width="302" height="362" src="Pictures/image008.jpg"
- alt="Osazení, strana spojů, varianta DIP">
- <img width="302" height="362" src="Pictures/image009.jpg"
- alt="Osazení, strana spojů, varianta SO">
- </p>
-
- <h2> Oživení </h2>
-
- <p>
- Zapojení je natolik jednoduché, že není co oživovat. Před použitím je
- vhodné zkontrolovat ohmmetrem, zda všechny spoje vedou a zda nejsou na
- desce zkraty.
- </p>
-
- </div>
-
- <!-- AUTOINCLUDE START "Page/Footer.cs.ihtml" DO NOT REMOVE -->
- <!-- ============== PATIČKA ============== -->
- <div class="Footer">
- <script type="text/javascript">
- <!--
- SetRelativePath("../../../../../");
- DrawFooter();
- // -->
- </script>
- <noscript>
- <p><b> Pro zobrazení (vložení) hlavičky je potřeba JavaScript </b></p>
- </noscript>
- </div>
- <!-- AUTOINCLUDE END -->
-
- </body>
-</html>
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