8085 microprocessor :: Architecture pin diagram

Architecture Pin Diagram


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|                            Intel                             |



|         8085A MICROPROCESSOR Instruction Set Summary         |

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|                    _________    _________                    |

|                  _|         \__/         |_                  |

|          --> X1 |_|1                   40|_| Vcc (+5V)       |

|                  _|                      |_                  |

|          --> 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      8085A       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 -->          |

|                  _|                      |_                  |

|       (Gnd) Vss |_|20                  21|_| A8 -->          |

|                   |______________________|                   |

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|--------------------------------------------------------------|

 

Instructions can be categorized according to their method of addressing the hardware registers and/or memory.







anonymous   said:
6 years ago

microprocessor mini project in 8085 architecture

Points :   0




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