8085
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8-bit Microprocessor
Pinout
DIP40 +---\/---+ X1 | 1 40| Vcc X2 | 2 39| HOLD RESET out | 3 38| HLDA SOD | 4 37| CLK (OUT) SID | 5 36| *RESET in TRAP | 6 35| READY RST 7.5 | 7 34| IO/*M RST 6.5 | 8 33| S1 RST 5.5 | 9 32| *RD INTR |10 31| *WR *INTA |11 30| ALE AD0 |12 29| S0 AD1 |13 28| A15 AD2 |14 27| A14 AD3 |15 26| A13 AD4 |16 25| A12 AD5 |17 24| A11 AD6 |18 23| A10 AD7 |19 22| A9 Vss |20 21| A8 +--------+
Frequency
DIP40
Set reader to FREQ, put black probe to GND, red probe to 1,2,37 to measure CPU clock
Guru's comment: 15, 23/24/25(vsync sometimes)
External links
8085 page on Wikipedia
8085 page on CPU-World
Files
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i8085 Datasheet