80c51: Difference between revisions

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{| align="right" border="1" cellpadding="4" cellspacing="0"
{| style="float: right;" border="1" cellpadding="4" cellspacing="0"
|+ style="background:silver" | Other chips in the same family
|+ style="background:silver" | Other chips in the same family
!Number
!Number
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|80C51 || 4k x 8 ROM
|80C51 || 4k x 8 ROM
|-
|-
|80C52 ||
|83C751 || 2k x 8 ROM
|-
|83C748 ||
|-
|83C749 ||
|-
|83C750 ||
|-
|83C751 ||  
|-
|83C752 ||
|-
|-
|87C51 || 4k x 8 EPROM
|87C51 || 4k x 8 EPROM
|-
|-
|87C748 ||
|87C751 || 2k x 8 EPROM
|-
|87C749 ||
|-
|87C750 ||
|-
|87C751 ||  
|-
|87C752 ||
|}
|}
'''8-bit Microcontroller'''
'''8-bit Microcontroller'''
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=External links=
=External links=
[http://en.wikipedia.org/wiki/Intel_MCS-51 80C52 page on Wikipedia]<br>
[http://en.wikipedia.org/wiki/Intel_MCS-51 80C51 page on Wikipedia]<br>
[http://www.cpu-world.com/CPUs/8051/index.html 80C52 page on CPU-World]
[http://www.cpu-world.com/CPUs/8051/index.html 80C51 page on CPU-World]


=Files=
=Files=
<gallery widths="150px">
<gallery widths="150px">
File:80c51.pdf|80C51 Datasheet
File:80c51.pdf|80C51 Datasheet
File:87c750.pdf|87C750 Datasheet
</gallery>
</gallery>


[[Category:CPU]]
[[Category:CPU]]
[[Category:DIP40]]
[[Category:DIP40-600mil]]

Latest revision as of 15:41, 9 November 2017

Other chips in the same family
Number notes
80C31 ROMless
80C51 4k x 8 ROM
83C751 2k x 8 ROM
87C51 4k x 8 EPROM
87C751 2k x 8 EPROM

8-bit Microcontroller

Pinout

DIP40
           +---\/---+
      P1.0 | 1    40| Vdd
      P1.1 | 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

80C51 page on Wikipedia
80C51 page on CPU-World

Files

  • 80C51 Datasheet

    80C51 Datasheet

  • 87C750 Datasheet

    87C750 Datasheet

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