6809: Difference between revisions

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DIP40
DIP40
         +---\/---+
         +---\/---+
     GND |1    40| /HALT
     GND |1    40| *HALT
   /NMI |2    39| EXTAL
   *NMI |2    39| EXTAL
   /IRQ |3    38| XTAL
   *IRQ |3    38| XTAL
   /FIRQ |4    37| /RST
   *FIRQ |4    37| *RST
     BS |5    36| MRDY
     BS |5    36| MRDY
     BA |6    35| Q
     BA |6    35| Q
     VCC |7    34| E
     VCC |7    34| E
     A0 |8    33| /BREQ
     A0 |8    33| *BREQ
     A1 |9    32| R//W
     A1 |9    32| R/*W
     A2 |10    31| D0
     A2 |10    31| D0
     A3 |11    30| D1
     A3 |11    30| D1
Line 29: Line 29:


=Frequency=
=Frequency=
Frequency: set reader to FREQ, put black probe to GND, red probe to 38 / 39 to measure CPU clock
Set reader to FREQ, put black probe to GND, red probe to 38 / 39 to measure CPU clock


=External links=
=External links=

Revision as of 13:22, 29 September 2009

8-bit Microprocessor

Pinout

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

Frequency

Set reader to FREQ, put black probe to GND, red probe to 38 / 39 to measure CPU clock

External links

6809 page on Wikipedia
6809 page on CPU-World

Files