Problem with comparison.
/Modules/PIC/PIC16F87xTQ4401A/SCH/PIC16F87XTQ4401A.DSN |
---|
Cannot display: file marked as a binary type. |
svn:mime-type = application/octet-stream |
Property changes: |
Added: svn:mime-type |
+application/octet-stream |
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/Modules/PIC/PIC16F87xTQ4401A/SCH/PIC16F87xTQ4401A.ASC |
---|
0,0 → 1,579 |
(netlist "PIC16F87xTQ4401A" |
(compinst "C1" |
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(compvalue "100nF")) |
(compinst "C10" |
(patternName "C,10nF@C0805") |
(compvalue "10nF")) |
(compinst "C11" |
(patternName "C,10nF@C0805") |
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(compinst "C12" |
(patternName "C,10nF@C0805") |
(compvalue "10nF")) |
(compinst "C2" |
(patternName "C,100nF@C0805") |
(compvalue "100nF")) |
(compinst "C3" |
(patternName "C-ELYT,10uF/6.3V@ELYTB") |
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(compinst "C4" |
(patternName "C,10nF@C0805") |
(compvalue "10nF")) |
(compinst "C5" |
(patternName "C,10nF@C0805") |
(compvalue "10nF")) |
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(compvalue "22pF")) |
(compinst "C7" |
(patternName "C,22pF@C0805") |
(compvalue "22pF")) |
(compinst "C8" |
(patternName "C,33pF@C0805") |
(compvalue "33pF")) |
(compinst "C9" |
(patternName "C,33pF@C0805") |
(compvalue "33pF")) |
(compinst "D1" |
(patternName "D,1N4007@DO41") |
(compvalue "1N4007")) |
(compinst "J1" |
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(compinst "J10" |
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(compinst "J11" |
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(compinst "J12" |
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(compinst "J13" |
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(compinst "J15" |
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(compinst "J16" |
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(compinst "J17" |
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(compinst "J18" |
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(compinst "J19" |
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(compinst "J20" |
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(compinst "J21" |
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(compinst "J23" |
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(compinst "J24" |
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(compinst "J27" |
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(compinst "J28" |
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(compinst "J29" |
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(compinst "J3" |
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(compinst "J30" |
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(compinst "J31" |
(patternName "UNIPAD2,JUMP2@UNIPAD2") |
(compvalue "JUMP2")) |
(compinst "J32" |
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(compinst "J33" |
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(compinst "J34" |
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(compinst "J35" |
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(compinst "J36" |
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(compinst "J37" |
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(compinst "J39" |
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(compvalue "JUMP2")) |
(compinst "J4" |
(patternName "UNIPAD2,JUMP2@UNIPAD2") |
(compvalue "JUMP2")) |
(compinst "J40" |
(patternName "UNIPAD2,JUMP2@UNIPAD2") |
(compvalue "JUMP2")) |
(compinst "J41" |
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(compvalue "JUMP2")) |
(compinst "J42" |
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(compvalue "JUMP2")) |
(compinst "J43" |
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(compvalue "JUMP2")) |
(compinst "J44" |
(patternName "UNIPAD2,JUMP2@UNIPAD2") |
(compvalue "JUMP2")) |
(compinst "J45" |
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(compvalue "JUMP2X3")) |
(compinst "J46" |
(patternName "PIC_ISP,PIC_ISP@PIC_ISP") |
(compvalue "PIC_ISP")) |
(compinst "J47" |
(patternName "JUMP2,JUMP2@UNIPAD2") |
(compvalue "JUMP2")) |
(compinst "J48" |
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(compinst "J51" |
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(compinst "J53" |
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(compvalue "JUMP2")) |
(compinst "J54" |
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(compinst "J65" |
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(compinst "J66" |
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(compvalue "JUMP1")) |
(compinst "J67" |
(patternName "UNIPAD1,JUMP1@UNIPAD1") |
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(compinst "J7" |
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(compvalue "JUMP2")) |
(compinst "J8" |
(patternName "UNIPAD2,JUMP2@UNIPAD2") |
(compvalue "JUMP2")) |
(compinst "J9" |
(patternName "UNIPAD2,JUMP2@UNIPAD2") |
(compvalue "JUMP2")) |
(compinst "M1" |
(patternName "PAD,HOLE_M3@HOLE_M3") |
(compvalue "HOLE_M3")) |
(compinst "M2" |
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(compinst "M3" |
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(compinst "M4" |
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(compinst "M5" |
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(compvalue "FIDU")) |
(compinst "M6" |
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(compvalue "FIDU")) |
(compinst "M7" |
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(compvalue "FIDU_PASTE")) |
(compinst "M8" |
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(compinst "R1" |
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(compvalue "10k")) |
(compinst "R2" |
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(compinst "R3" |
(patternName "R,10k@R0805") |
(compvalue "10k")) |
(compinst "R4" |
(patternName "R,10k@R0805") |
(compvalue "10k")) |
(compinst "R5" |
(patternName "R,10k@R0805") |
(compvalue "10k")) |
(compinst "R6" |
(patternName "R,10k@R0805") |
(compvalue "10k")) |
(compinst "R7" |
(patternName "R,10k@R0805") |
(compvalue "10k")) |
(compinst "SW1" |
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(compvalue "P-B1720")) |
(compinst "U1" |
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(compinst "X1" |
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(compvalue "4.0MHz")) |
(compinst "X2" |
(patternName "XTAL,32768Hz@XTAL010/LG") |
(compvalue "32768Hz")) |
(net "RB5" |
(node "U1" "15") |
(node "J15" "1") |
(node "J15" "2")) |
(net "RB4" |
(node "U1" "14") |
(node "J14" "1") |
(node "J14" "2")) |
(net "RC6" |
(node "U1" "44") |
(node "J44" "1") |
(node "J44" "2")) |
(net "RB3" |
(node "U1" "11") |
(node "J11" "1") |
(node "J11" "2")) |
(net "RC4" |
(node "U1" "42") |
(node "J54" "2") |
(node "J42" "1") |
(node "J42" "2")) |
(net "OSC1" |
(node "C6" "2") |
(node "U1" "30") |
(node "J30" "1") |
(node "J30" "2") |
(node "X1" "A")) |
(net "OSC2" |
(node "C7" "2") |
(node "J31" "1") |
(node "J31" "2") |
(node "X1" "B") |
(node "U1" "31")) |
(net "RC3" |
(node "J37" "1") |
(node "J37" "2") |
(node "U1" "37") |
(node "J53" "2")) |
(net "RB1" |
(node "U1" "9") |
(node "J9" "1") |
(node "J9" "2")) |
(net "RC2" |
(node "J36" "1") |
(node "J36" "2") |
(node "U1" "36")) |
(net "RC7" |
(node "U1" "1") |
(node "J1" "1") |
(node "J1" "2")) |
(net "RB7" |
(node "U1" "17") |
(node "J17" "1") |
(node "J17" "2") |
(node "J46" "2")) |
(net "RC5" |
(node "U1" "43") |
(node "J43" "1") |
(node "J43" "2")) |
(net "RC1" |
(node "U1" "35") |
(node "J35" "1") |
(node "J35" "2") |
(node "J52" "1")) |
(net "N00593" |
(node "R2" "2") |
(node "J46" "6")) |
(net "RB2" |
(node "U1" "10") |
(node "J10" "1") |
(node "J10" "2")) |
(net "RB0" |
(node "U1" "8") |
(node "J8" "1") |
(node "J8" "2")) |
(net "RB6" |
(node "J46" "1") |
(node "U1" "16") |
(node "J16" "1") |
(node "J16" "2")) |
(net "RC0" |
(node "U1" "32") |
(node "J32" "1") |
(node "J32" "2") |
(node "J51" "1")) |
(net "N11834" |
(node "J48" "2") |
(node "C4" "2")) |
(net "N11322" |
(node "J50" "2") |
(node "C5" "2")) |
(net "RD5" |
(node "U1" "3") |
(node "J3" "1") |
(node "J3" "2")) |
(net "RD7" |
(node "U1" "5") |
(node "J5" "1") |
(node "J5" "2")) |
(net "RD0" |
(node "J38" "1") |
(node "J38" "2") |
(node "U1" "38")) |
(net "NC34" |
(node "J34" "1") |
(node "J34" "2") |
(node "U1" "34")) |
(net "RD2" |
(node "U1" "40") |
(node "J40" "1") |
(node "J40" "2")) |
(net "RD3" |
(node "U1" "41") |
(node "J41" "1") |
(node "J41" "2")) |
(net "NC13" |
(node "U1" "13") |
(node "J13" "1") |
(node "J13" "2")) |
(net "RE2" |
(node "J27" "1") |
(node "J27" "2") |
(node "U1" "27")) |
(net "RD1" |
(node "J39" "1") |
(node "J39" "2") |
(node "U1" "39")) |
(net "RE0" |
(node "J25" "1") |
(node "J25" "2") |
(node "U1" "25")) |
(net "RD4" |
(node "U1" "2") |
(node "J2" "1") |
(node "J2" "2")) |
(net "RD6" |
(node "U1" "4") |
(node "J4" "1") |
(node "J4" "2")) |
(net "NC12" |
(node "U1" "12") |
(node "J12" "1") |
(node "J12" "2")) |
(net "NC33" |
(node "J33" "1") |
(node "J33" "2") |
(node "U1" "33")) |
(net "RE1" |
(node "J26" "1") |
(node "J26" "2") |
(node "U1" "26")) |
(net "VDD" |
(node "C1" "2") |
(node "D1" "C") |
(node "J45" "3") |
(node "J45" "4") |
(node "C2" "2") |
(node "C3" "A") |
(node "U1" "28") |
(node "J28" "1") |
(node "J28" "2") |
(node "J7" "1") |
(node "J7" "2") |
(node "U1" "7") |
(node "R1" "2") |
(node "J46" "3") |
(node "J47" "2") |
(node "R3" "2") |
(node "R4" "2")) |
(net "GND" |
(node "C6" "1") |
(node "C7" "1") |
(node "C8" "1") |
(node "C9" "1") |
(node "C5" "1") |
(node "X2" "G1") |
(node "J49" "2") |
(node "C4" "1") |
(node "X1" "G1") |
(node "D1" "A") |
(node "C1" "1") |
(node "SW1" "1") |
(node "J6" "1") |
(node "J6" "2") |
(node "U1" "29") |
(node "U1" "6") |
(node "J46" "5") |
(node "C3" "C") |
(node "J29" "1") |
(node "J29" "2") |
(node "M4" "1") |
(node "M1" "1") |
(node "M3" "1") |
(node "M2" "1") |
(node "C2" "1") |
(node "J45" "5") |
(node "J45" "6") |
(node "J45" "1") |
(node "J45" "2")) |
(net "N01430" |
(node "X2" "B") |
(node "C8" "2") |
(node "J51" "2")) |
(net "N01732" |
(node "R4" "1") |
(node "J54" "1")) |
(net "N01717" |
(node "J53" "1") |
(node "R3" "1")) |
(net "N01935" |
(node "C11" "2") |
(node "J59" "1")) |
(net "N01921" |
(node "J56" "1") |
(node "C10" "1")) |
(net "N01937" |
(node "C12" "2") |
(node "J61" "1")) |
(net "N01925" |
(node "J60" "1") |
(node "C12" "1")) |
(net "N01933" |
(node "C10" "2") |
(node "J57" "1")) |
(net "N01923" |
(node "J58" "1") |
(node "C11" "1")) |
(net "N01971" |
(node "R7" "2") |
(node "J67" "1")) |
(net "N01959" |
(node "J66" "1") |
(node "R7" "1")) |
(net "N01967" |
(node "R5" "2") |
(node "J63" "1")) |
(net "N01969" |
(node "R6" "2") |
(node "J65" "1")) |
(net "N01955" |
(node "J62" "1") |
(node "R5" "1")) |
(net "N01957" |
(node "J64" "1") |
(node "R6" "1")) |
(net "N01438" |
(node "X2" "A") |
(node "C9" "2") |
(node "J52" "2")) |
(net "MCLR" |
(node "U1" "18") |
(node "J18" "1") |
(node "J18" "2") |
(node "SW1" "2") |
(node "R2" "1") |
(node "R1" "1")) |
(net "RA0" |
(node "J19" "1") |
(node "J19" "2") |
(node "U1" "19")) |
(net "RA1" |
(node "J20" "1") |
(node "J20" "2") |
(node "U1" "20")) |
(net "RA2" |
(node "J21" "1") |
(node "J21" "2") |
(node "U1" "21") |
(node "J50" "1") |
(node "J49" "1")) |
(net "RA3" |
(node "U1" "22") |
(node "J22" "1") |
(node "J22" "2") |
(node "J48" "1") |
(node "J47" "1")) |
(net "RA4" |
(node "J23" "1") |
(node "J23" "2") |
(node "U1" "23")) |
(net "RA5" |
(node "J24" "1") |
(node "J24" "2") |
(node "U1" "24"))) |
/Modules/PIC/PIC16F87xTQ4401A/SCH/PIC16F87xTQ4401A_BOM.xls |
---|
Cannot display: file marked as a binary type. |
svn:mime-type = application/octet-stream |
Property changes: |
Added: svn:mime-type |
+application/octet-stream |
\ No newline at end of property |
/Modules/PIC/PIC16F87xTQ4401A/SCH/PIC16F87xTQ4401A_sch.pdf |
---|
Cannot display: file marked as a binary type. |
svn:mime-type = application/octet-stream |
Property changes: |
Added: svn:mime-type |
+application/octet-stream |
\ No newline at end of property |
/Modules/PIC/PIC16F87xTQ4401A/DOC/HTML/PIC16F87xTQ4401A.cs.html |
---|
0,0 → 1,324 |
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> |
<html> |
<head> |
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"> |
<title> PIC16F87xTQ4401A </title> |
<meta name="keywords" content="procesor Microchip PIC16F87x modul "> |
<meta name="description" content="Projekt MLAB, Procesorový modul pro procesory MICROCHIP PIC16F87x v pouzdru TQFP44"> |
<!-- AUTOINCLUDE START "Page/Head.cs.ihtml" DO NOT REMOVE --> |
<link rel="StyleSheet" href="../../../../../Web/CSS/MLAB.css" type="text/css" title="MLAB základní styl"> |
<link rel="StyleSheet" href="../../../../../Web/CSS/MLAB_Print.css" type="text/css" media="print"> |
<link rel="shortcut icon" type="image/x-icon" href="../../../../../Web/PIC/MLAB.ico"> |
<script type="text/javascript" src="../../../../../Web/JS/MLAB_Menu.js"></script> |
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</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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<div class="Text"> |
<p class="Title"> |
Modul pro procesory PIC16F87x v pouzdru TQFP44 |
</p> |
<p class=Autor> |
Milan Horkel |
</p> |
<p class="Subtitle"> |
Další standardní procesorový modul pro procesory MICROCHIP řady |
PIC16F87x v pouzdru TQFP44. Tyto procesory mají poměrně hodně |
periferií a vstupních a výstupních vývodů a současně malou spotřebu. |
Lze použít i další procesory v pouzdru TQFP44. |
</p> |
<p class="Subtitle"> |
<img width="322" height="275" src="PIC16F87xTQ4401A_files/image001.jpg" |
alt="Pohled ze strany součástek"> |
<img width="326" height="272" src="PIC16F87xTQ4401A_files/image002.jpg" |
alt="Pohled ze strany spojů"> |
</p> |
<p> |
<a href="../PIC16F87xTQ4401A.cs.pdf"><img class="NoBorder" |
src="../../../../../Web/PIC/FileIco_PDF.ico" |
alt="Acrobat"> PDF verze</a> |
</p> |
<h1> Technické parametry </h1> |
<table> |
<tr> |
<th> Parametr </th> |
<th> Hodnota </th> |
<th> Poznámka </th> |
</tr> |
<tr> |
<td> Procesor </td> |
<td> PIC16F874 / 877 / 874A / 877A / 747 / |
777 / … </td> |
<td> A další v pouzdru TQFP44 </td> |
</tr> |
<tr> |
<td> Napájení </td> |
<td> 2.0 – 5.5 V </td> |
<td> Dle procesoru a krystalu </td> |
</tr> |
<tr> |
<td> Programování </td> |
<td> ISP 6 PIN </td> |
<td> </td> |
</tr> |
<tr> |
<td> Rozměry </td> |
<td> 51 x 61 x 16 mm </td> |
<td> Výška na základnou </td> |
</tr> |
</table> |
<h1> Popis konstrukce </h1> |
<h2> Úvodem </h2> |
<p> |
Procesorový modul je pokračováním předchozích modulů pro procesory řadu |
PIC16F87x v pouzdrech o 28 vývodech. |
</p> |
<h2> Zapojení modulu </h2> |
<p> |
Kromě samotného procesoru, který je připájen jsou na desce pomocné |
obvody pro tento procesor. Prvním z nich je programovací konektor |
J46 pro ISP programování procesoru. Dále jsou zde krystaly pro hlavní |
oscilátor a pro oscilátor RTC (časovač T1). Krystaly obvykle |
neosazujeme přímo ale osazujeme jen konektorové dutinky, aby bylo možno |
použít krystaly dle potřeby. Dále je deska vybavena tlačítkem RESET. |
Pro práci s A/D převodníkem jsou přímo na desce filtrační |
kondenzátory, které je možné propojkami připojit na vstupy pro |
referenční napětí. Pro práci s komunikací I2C jsou zde PullUp |
odpory volitelné propojkami. V případě rozsáhlejších I2C sběrnice |
je vhodné zmenšit hodnotu PullUp odporů až k hodnotě 3k3. |
</p> |
<p> |
<img width="405" height="170" src="PIC16F87xTQ4401A_files/image003.png" |
alt="Schéma zapojení"> |
</p> |
<p> |
Napájecí obvod je doplněn ochrannou diodou D1 proti přepólování zdroje. |
Předpokládá se, že zdroj je opatřen omezením proudu na nějakou rozumnou |
hodnotu. Před opačně připojeným akumulátorem nemá dioda D1 šanci. |
</p> |
<p> |
<img width="361" height="232" src="PIC16F87xTQ4401A_files/image004.png" |
alt="Zapojení napájecí části"> |
</p> |
<p> |
Deska dále obsahuje pomocné pole odporů a kondenzátorů pro obecné |
použití. |
</p> |
<p> |
<img width="921" height="935" src="PIC16F87xTQ4401A_files/image005.png" |
alt="Zapojení pomocných součástek"> |
</p> |
<h2> Mechanická konstrukce </h2> |
<p> |
Standardní modul do stavebnice s rohovými upevňovacími sloupky. |
</p> |
<h1> Osazení a oživení </h1> |
<h2> Osazení </h2> |
<p> |
<img width="734" height="613" src="PIC16F87xTQ4401A_files/O1.png" |
alt="Osaení, strana součástí"> |
<img width="741" height="621" src="PIC16F87xTQ4401A_files/O2.png" |
alt="Osazení, strana spojů"> |
</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> C6, C7 </td> |
<td> 22pF </td> |
</tr> |
<tr> |
<td> C8, C9 </td> |
<td> 33pF </td> |
</tr> |
<tr> |
<td> C4, C5, C10, C11, C12 </td> |
<td> 10nF </td> |
</tr> |
<tr> |
<td> C1, C2 </td> |
<td> 100nF </td> |
</tr> |
<tr> |
<th colspan="2"> Elektrolytické kondenzátory </th> |
</tr> |
<tr> |
<td> C3 </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> PIC16F877A/PT </td> |
</tr> |
<tr> |
<th colspan="2"> Krystaly </th> |
</tr> |
<tr> |
<td> X1 </td> |
<td> 4.0MHz </td> |
</tr> |
<tr> |
<td> X2 </td> |
<td> 32768Hz </td> |
</tr> |
<tr> |
<th colspan="2"> Mechanické součástky </th> |
</tr> |
<tr> |
<td> J1-J11, J12-J22, J23-J33, J34-J44 </td> |
<td> JUMP2x11 </td> |
</tr> |
<tr> |
<td> J47, J48, J49, J50, J51, J52, J53, J54, J55 </td> |
<td> JUMP2 </td> |
</tr> |
<tr> |
<td> J46 </td> |
<td> JUMP6 </td> |
</tr> |
<tr> |
<td> J45 </td> |
<td> JUMP2X3 </td> |
</tr> |
<tr> |
<td> J56+J58+J60, J57+J59+J61, J62+J64+J66, J63+J65+J67 </td> |
<td> JUMP3 </td> |
</tr> |
<tr> |
<td> SW1 </td> |
<td> P-B1720 </td> |
</tr> |
<tr> |
<th colspan="2"> Konstrukční součástky </th> |
</tr> |
<tr> |
<td> 4x </td> |
<td> Šroub M3x12 </td> |
</tr> |
<tr> |
<td> 4x </td> |
<td> Podložka M3 </td> |
</tr> |
<tr> |
<td> 4x </td> |
<td> Sloupek M3x5 </td> |
</tr> |
</table> |
<p> |
Na místo krystalů je možné osadit dutinky z precizní patice, aby |
bylo možné použít libovolný krystal bez nutnosti pájení. |
</p> |
<p> |
Při nahrazování procesorů řady 87x jinými, je nebytné ověřit, zda |
uvažovaný procesor má shodné (kompatibilní) zapojení vývodů. |
</p> |
<h2> Oživení </h2> |
<p> |
Není co oživovat. Kontrolujeme orientaci zapájení procesoru, zkraty a |
rozumný proud při připojení napájení, který pro procesory PIC bývá |
v desetinách a v celých miliampérech. |
</p> |
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