6803

8-bit Microcontroller

Pinout

DIP40
         +---\/---+
     Vss | 1    40| E
    XTAL | 2    39| SC1
   EXTAL | 3    38| SC2
    *NMI | 4    37| P30
   *IRQ1 | 5    36| P31
  *RESET | 6    35| P32
     Vcc | 7    34| P33
     P20 | 8    33| P34
     P21 | 9    32| P35
     P22 |10    31| P36
     P23 |11    30| P37
     P24 |12    29| P40
     P10 |13    28| P41
     P11 |14    27| P42
     P12 |15    26| P43
     P13 |16    25| P44
     P14 |17    24| P45
     P15 |18    23| P46
     P16 |19    22| P47
     P17 |20    21| Vcc STANDBY
         +--------+

Frequency

DIP40
Set reader to FREQ, put black probe to GND, red probe to 2 and 3 to measure CPU clock

External links

6803 page on CPU-World

Files

• 
  MC6803 Datasheet