80c52: Difference between revisions
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m (Created page with ''''8-bit Microcontroller''' =Pinout= <pre> DIP40 +---\/---+ P1.0/T2 | 1 40| Vdd P1.1/T2EX | 2 39| P0.0/AD0 P1.2 | 3 38| P0.1/AD1 P1.3 | 4 …') |
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=External links= | =External links= | ||
[http://en.wikipedia.org/wiki/Intel_MCS-51 80C52 page on Wikipedia]<br> | |||
[http://www.cpu-world.com/CPUs/8051/index.html 80C52 page on CPU-World] | |||
=Files= | =Files= | ||
Revision as of 11:48, 15 August 2011
8-bit Microcontroller
Pinout
DIP40
+---\/---+
P1.0/T2 | 1 40| Vdd
P1.1/T2EX | 2 39| P0.0/AD0
P1.2 | 3 38| P0.1/AD1
P1.3 | 4 37| P0.2/AD2
P1.4 | 5 36| P0.3/AD3
P1.5 | 6 35| P0.4/AD4
P1.6 | 7 34| P0.5/AD5
P1.7 | 8 33| P0.6/AD6
RST | 9 32| P0.7/AD7
RxD/P3.0 |10 31| *EA/Vpp
TxD/P3.1 |11 30| ALE/*PROG
*INT0/P3.2 |12 29| *PSEN
*INT1/P3.3 |13 28| P2.7/A15
T0/P3.4 |14 27| P2.6/A14
T1/P3.5 |15 26| P2.5/A13
*WR/P3.6 |16 25| P2.4/A12
*RD/P3.7 |17 24| P2.3/A11
XTAL2 |18 23| P2.2/A10
XTAL1 |19 22| P2.1/A9
Vss |20 21| P2.0/A8
+--------+
Frequency
DIP40
Set reader to FREQ, put black probe to GND, red probe to 18 and 19 to measure CPU clock
External links
80C52 page on Wikipedia
80C52 page on CPU-World
Files
-
80C52 Datasheet
