6802

8-bit Microcontroller

Pinout

DIP40
         +---\/---+
     Vss | 1    40| *RES
   *HALT | 2    39| EXTAL
      MR | 3    38| XTAL
    *IRQ | 4    37| E
     VMA | 5    36| RE
    *NMI | 6    35| Vcc
      BA | 7    34| R/*W
     Vcc | 8    33| D0
      A0 | 9    32| D1
      A1 |10    31| D2
      A2 |11    30| D3
      A3 |12    29| D4
      A4 |13    28| D5
      A5 |14    27| D6
      A6 |15    26| D7
      A7 |16    25| A15
      A8 |17    24| A14
      A9 |18    23| A13
     A10 |19    22| A12
     A11 |20    21| Vss
         +--------+

Frequency

DIP40
Set reader to FREQ, put black probe to GND, red probe to 38 and 39 to measure CPU clock
Guru's comment: Pin 37 (pin 38 and 39 clock input divided by 4 internally)

External links

6802 page on CPU-World

Files

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  MC6802 Datasheet