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AT89C4051 - Revision history
2026-04-29T08:32:33Z
Revision history for this page on the wiki
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https://www.citylan.it/index.php?title=AT89C4051&diff=4680&oldid=prev
WikiSysop: Created page with ''''8-bit Microcontroller''' =Pinout= <pre> DIP20 +---\/---+ RST/Vpp | 1 20| Vcc (RXD)P3.0 | 2 19| P1.7 (TXD)P3.1 | 3 18| P1.6 XTAL2 | 4 17|…'
2011-04-21T15:13:14Z
<p>Created page with ''''8-bit Microcontroller''' =Pinout= <pre> DIP20 +---\/---+ RST/Vpp | 1 20| Vcc (RXD)P3.0 | 2 19| P1.7 (TXD)P3.1 | 3 18| P1.6 XTAL2 | 4 17|…'</p>
<p><b>New page</b></p><div>'''8-bit Microcontroller'''<br />
<br />
=Pinout=<br />
<pre><br />
DIP20<br />
+---\/---+<br />
RST/Vpp | 1 20| Vcc<br />
(RXD)P3.0 | 2 19| P1.7<br />
(TXD)P3.1 | 3 18| P1.6<br />
XTAL2 | 4 17| P1.5<br />
XTAL1 | 5 16| P1.4<br />
(*INT0)P3.2 | 6 15| P1.3<br />
(*INT1)P3.3 | 7 14| P1.2<br />
(TO)P3.4 | 8 13| P1.1(AIN0)<br />
(T1)P3.5 | 9 12| P1.0(AIN0)<br />
GND |10 11| P3.7<br />
+--------+<br />
</pre><br />
<br />
=Frequency=<br />
'''DIP20'''<br><br />
Set reader to FREQ, put black probe to GND, red probe to 4,5 to measure CPU clock<br />
<br />
=External links=<br />
<br />
=Files=<br />
<gallery widths="150px"><br />
File:at89c4051.pdf|At89C4051 Datasheet<br />
</gallery><br />
<br />
[[Category:CPU]]<br />
[[Category:DIP20]]</div>
WikiSysop