6809: Difference between revisions
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Revision as of 16:13, 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
-
MC6809 Datasheet
