https://citylan.it/index.php?action=history&feed=atom&title=8xc751 2026-05-06T08:03:42Z Revision history for this page on the wiki MediaWiki 1.43.6 https://citylan.it/index.php?title=8xc751&diff=26051&oldid=prev 2023-12-03T14:23:24Z

<p>Created page with &quot;&#039;&#039;&#039;8-bit Microcontroller&#039;&#039;&#039; =Family table= {| border=&quot;1&quot; cellpadding=&quot;4&quot; cellspacing=&quot;0&quot; !Model !ROM size !RAM size |- |&#039;&#039;&#039;83C751&#039;&#039;&#039; || 2k x 8 ROM || 64x8 RAM |- |&#039;&#039;&#039;87C751&#039;&#039;&#039; || 2k x 8 EPROM || 64x8 RAM |} =Pinout= &lt;pre&gt; DIP24-300mil SOIC24-300mil +--\/--+ P3.4/A4 |1 24| Vcc P3.3/A3 |2 23| P3.57A5 P3.2/A2/A10 |3 22| P3.6/A6 P3.1/A1/A9 |4 21| P3.7/A7 P3.0/A0/A8 |5 20| P1.7/T0/D7 P...&quot;</p> <p><b>New page</b></p><div>&#039;&#039;&#039;8-bit Microcontroller&#039;&#039;&#039;<br /> <br /> =Family table=<br /> {| border=&quot;1&quot; cellpadding=&quot;4&quot; cellspacing=&quot;0&quot;<br /> !Model<br /> !ROM size<br /> !RAM size<br /> |-<br /> |&#039;&#039;&#039;83C751&#039;&#039;&#039; || 2k x 8 ROM || 64x8 RAM<br /> |-<br /> |&#039;&#039;&#039;87C751&#039;&#039;&#039; || 2k x 8 EPROM || 64x8 RAM<br /> |}<br /> <br /> =Pinout=<br /> &lt;pre&gt;<br /> DIP24-300mil<br /> SOIC24-300mil<br /> +--\/--+<br /> P3.4/A4 |1 24| Vcc<br /> P3.3/A3 |2 23| P3.57A5<br /> P3.2/A2/A10 |3 22| P3.6/A6<br /> P3.1/A1/A9 |4 21| P3.7/A7<br /> P3.0/A0/A8 |5 20| P1.7/T0/D7<br /> P0.2/Vpp |6 19| P1.6/*INT1/D6<br /> P0.1/SDA/OE-PGM |7 18| P1.5/*INT0/D5<br /> P0.0/SLC/ASEL |8 17| P1.4/D4<br /> RST |9 16| P1.3/D3<br /> X2 |10 15| P1.2/D2<br /> X1 |11 14| P1.1/D1<br /> Vss |12 13| P1.0/D0<br /> +------+<br /> <br /> <br /> LCC28-450x450mil<br /> +---------------------------------------------------------------------+<br /> | 5 NC | 12 X2 | 19 P1.4/D4 | 26 P3.6/A6 |<br /> | 6 P3.0/A0/A8 | 13 X1 | 20 P1.5/*INT0/D5 | 27 P3.5/A5 |<br /> | 7 P0.2/Vpp | 14 Vss | 21 NC | 28 Vcc |<br /> | 8 P0.1/SDA/OE-PGM | 15 P1.0/D0 | 22 NC | 1 P3.4/A4 |<br /> | 9 P0.0/SCLASEL | 16 P1.1/D1 | 23 P1.6/*INT1/D6 | 2 P3.3/A3 |<br /> | 10 NC | 17 P1.2/D2 | 24 P1.7/T0/D7 | 3 P3.2/A2/A10 |<br /> | 11 RST | 18 P1.3/D3 | 25 P3.7/A7 | 4 P3.1/A1/A9 |<br /> +---------------------------------------------------------------------+<br /> &lt;/pre&gt;<br /> <br /> =Frequency=<br /> &#039;&#039;&#039;DIP24&#039;&#039;&#039; and &#039;&#039;&#039;SOIC24&#039;&#039;&#039;&lt;br&gt;<br /> Set reader to FREQ, put black probe to GND, red probe to 10 and 11 to measure CPU clock<br /> <br /> &#039;&#039;&#039;PLCC28&#039;&#039;&#039;&lt;br&gt;<br /> Set reader to FREQ, put black probe to GND, red probe to 12 and 13 to measure CPU clock<br /> <br /> =External links=<br /> [http://en.wikipedia.org/wiki/MOS_Technology_6502 6502 page on Wikipedia]&lt;br&gt;<br /> [http://www.cpu-world.com/CPUs/650x/index.html 6502 page on CPU-World]&lt;br&gt;<br /> [https://www.cpu-galaxy.at/cpu/intel%20cpu/3002-8008/Intel%204040%20section.htm 4040 page on CPU-Galaxy]<br /> [http://en.wikipedia.org/wiki/Dynamic_random-access_memory DRAM page on wikipedia]<br /> <br /> =Files=<br /> &lt;gallery widths=&quot;150px&quot;&gt;<br /> File:8xc751.pdf|8xC751 Datasheet<br /> &lt;/gallery&gt;<br /> <br /> [[Category:CPU]]<br /> [[Category:DIP24-300mil]]<br /> [[Category:SOIC24-300mil]]<br /> [[Category:LCC28-450x450mil]]</div>

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