https://www.citylan.it/index.php?action=history&feed=atom&title=YMF278B 2026-05-02T09:28:17Z Revision history for this page on the wiki MediaWiki 1.43.6 https://www.citylan.it/index.php?title=YMF278B&diff=26206&oldid=prev 2023-12-04T17:25:28Z

<p><span class="autocomment">External links</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="en"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 17:25, 4 December 2023</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l37">Line 37:</td> <td colspan="2" class="diff-lineno">Line 37:</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>=External links=</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>=External links=</div></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>[https://en.wikipedia.org/wiki/Yamaha_YMF278 Yamaha YMF278 page on Wikipedia]</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>[https://en.wikipedia.org/wiki/Yamaha_YMF278 Yamaha YMF278 page on Wikipedia]<ins style="font-weight: bold; text-decoration: none;">&lt;br&gt;</ins></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;"><div>[http://www.vorc.org/text/column/hally/ymf2xx.html Yamaha chips page on vorc.org]</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>[http://www.vorc.org/text/column/hally/ymf2xx.html Yamaha chips page on vorc.org]</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> </table>

WikiSysop https://www.citylan.it/index.php?title=YMF278B&diff=26205&oldid=prev 2023-12-04T17:25:16Z

<p>Created page with &quot;&#039;&#039;&#039;FM Operator Type-L 4 + wave Table Synthesizer (OPL4)&#039;&#039;&#039; =Pinout= &lt;pre&gt; QFP80-(24x16)-14X20MM +---------------------------------------------+ | 1 A0 | | 41 WD4 | | | 2 A1 | | 42 WD3 | | | 3 A2 | | 43 WD5 | | | 4 *CS | | 44 WD2 | | | 5 *RD | 25 *MCS0 | 45 WCO | 65 VSS | | 6 *WR | 26 *MCS1 | 46 MD6 | 66 *MWR | | 7 *IC | 27 *MCS2 | 47 MD...&quot;</p> <p><b>New page</b></p><div>&#039;&#039;&#039;FM Operator Type-L 4 + wave Table Synthesizer (OPL4)&#039;&#039;&#039;<br /> <br /> =Pinout=<br /> &lt;pre&gt;<br /> QFP80-(24x16)-14X20MM<br /> +---------------------------------------------+<br /> | 1 A0 | | 41 WD4 | |<br /> | 2 A1 | | 42 WD3 | |<br /> | 3 A2 | | 43 WD5 | |<br /> | 4 *CS | | 44 WD2 | |<br /> | 5 *RD | 25 *MCS0 | 45 WCO | 65 VSS |<br /> | 6 *WR | 26 *MCS1 | 46 MD6 | 66 *MWR |<br /> | 7 *IC | 27 *MCS2 | 47 MD1 | 67 MA6 |<br /> | 8 Vdd | 28 *MCS3 | 48 MD7 | 68 MA9 |<br /> | 9 *IRO | 29 *MCS4 | 49 MD0 | 69 MA7 |<br /> | 10 D0 | 30 *MCS5 | 50 *MRD | 70 MA8 |<br /> | 11 D1 | 31 NC | 51 MA16 | 71 MA17 |<br /> | 12 D2 | 32 Vdd | 52 MA0 | 72 Vdd |<br /> | 13 D3 | 33 NC | 53 MA15 | 73 MA18 |<br /> | 14 D4 | 34 NC | 54 MA1 | 74 MA19 |<br /> | 15 D5 | 35 NC | 55 Vdd | 75 MA20 |<br /> | 16 D6 | 36 *MCS6 | 56 MA14 | 76 XO |<br /> | 17 D7 | 37 Vss | 57 MA2 | 77 XI |<br /> | 18 Vss | 38 *MCS7 | 58 MA13 | 78 Vss |<br /> | 19 CLKO | 39 *MCS8 | 59 MA3 | 79 *TST1 |<br /> | 20 BCO | 40 *MCS9 | 60 MA12 | 80 *TST2 |<br /> | 21 LRO | | 61 MA4 | |<br /> | 22 DO0 | | 62 MA11 | |<br /> | 23 DO1 | | 63 MA5 | |<br /> | 24 DO2 | | 64 MA19 | |<br /> +---------------------------------------------+<br /> &lt;/pre&gt;<br /> <br /> =Frequency=<br /> &#039;&#039;&#039;QFP80&#039;&#039;&#039;&lt;br&gt;<br /> Set reader to FREQ, put black probe to GND, red probe to 19, 77 and 78 to measure CPU clock<br /> <br /> =External links=<br /> [https://en.wikipedia.org/wiki/Yamaha_YMF278 Yamaha YMF278 page on Wikipedia]<br /> [http://www.vorc.org/text/column/hally/ymf2xx.html Yamaha chips page on vorc.org]<br /> <br /> =Files=<br /> &lt;gallery widths=&quot;150px&quot;&gt;<br /> File:ymf278b.pdf|YMF278B Datasheet<br /> &lt;/gallery&gt;<br /> <br /> [[Category:Sound Chips]]<br /> [[Category:QFP80-(24x16)-20x14mm]]</div>

WikiSysop