8086

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16-bit Microprocessor

Pinout

DIP40
        +---\/---+
    GND | 1    40| Vcc
   AD14 | 2    39| AD15
   AD13 | 3    38| A16 S3
   AD12 | 4    37| AD17 S4
   AD11 | 5    36| AD18 S5
   AD10 | 6    35| AD19 S6
    AD9 | 7    34| *BHE S7
    AD8 | 8    33| MN/*MX
    AD7 | 9    32| *RD
    AD6 |10    31| HOLD (*RQ/*GT0)
    AD5 |11    30| HLDA (*RQ/*GT1)
    AD4 |12    29| *WR (*LOCK)
    AD3 |13    28| IO/*M (*S2)
    AD2 |14    27| DT/*R (*S1)
    AD1 |15    26| *DEN (*S0)
    AD0 |16    25| ALE (QS0)
    NMI |17    24| *INTA (QS1)
   INTR |18    23| *Test
    CLK |19    22| Ready
    GND |20    21| Reset
        +--------+

Frequency

Set reader to FREQ, put black probe to GND, red probe to 19 to measure CPU clock

External links

8086 page on Wikipedia
8086 page on CPU-World

Files