8088: Difference between revisions
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| Line 11: | Line 11: | ||
A11 | 5 36| A18 S5 | A11 | 5 36| A18 S5 | ||
A10 | 6 35| A19 S6 | A10 | 6 35| A19 S6 | ||
A9 | 7 34| | A9 | 7 34| *SS0 (High) | ||
A8 | 8 33| MN /MX | A8 | 8 33| MN/*MX | ||
AD7 | 9 32| | AD7 | 9 32| *RD | ||
AD6 |10 31| HOLD ( | AD6 |10 31| HOLD (*RQ/*GT0) | ||
AD5 |11 30| HLDA ( | AD5 |11 30| HLDA (*RQ/*GT1) | ||
AD4 |12 29| | AD4 |12 29| *WR (*LOCK) | ||
AD3 |13 28| IO /M ( | AD3 |13 28| IO/*M (*S2) | ||
AD2 |14 27| DT /R ( | AD2 |14 27| DT/*R (*S1) | ||
AD1 |15 26| | AD1 |15 26| *DEN (*S0) | ||
AD0 |16 25| ALE (QS0) | AD0 |16 25| ALE (QS0) | ||
NMI |17 24| | NMI |17 24| *INTA (QS1) | ||
INTR |18 23| | INTR |18 23| *Test | ||
CLK |19 22| Ready | CLK |19 22| Ready | ||
GND |20 21| Reset | GND |20 21| Reset | ||
| Line 29: | Line 29: | ||
=Frequency= | =Frequency= | ||
Set reader to FREQ, put black probe to GND, red probe to 19 to measure CPU clock<br> | |||
=External links= | =External links= | ||
Revision as of 13:24, 29 September 2009
8-bit Microprocessor
Pinout
DIP40
+---\/---+
GND | 1 40| Vcc
A14 | 2 39| A15
A13 | 3 38| A16 S3
A12 | 4 37| A17 S4
A11 | 5 36| A18 S5
A10 | 6 35| A19 S6
A9 | 7 34| *SS0 (High)
A8 | 8 33| MN/*MX
AD7 | 9 32| *RD
AD6 |10 31| HOLD (*RQ/*GT0)
AD5 |11 30| HLDA (*RQ/*GT1)
AD4 |12 29| *WR (*LOCK)
AD3 |13 28| IO/*M (*S2)
AD2 |14 27| DT/*R (*S1)
AD1 |15 26| *DEN (*S0)
AD0 |16 25| ALE (QS0)
NMI |17 24| *INTA (QS1)
INTR |18 23| *Test
CLK |19 22| Ready
GND |20 21| Reset
+--------+
Frequency
Set reader to FREQ, put black probe to GND, red probe to 19 to measure CPU clock
External links
8088 page on Wikipedia
8088 page on CPU-World
Files
-
8088 Datasheet
