71055

Parallel Interface Unit

Pinout

DIP40
         +---\/---+
     PO3 | 1    40| P04
     PO2 | 2    39| P05
     PO1 | 3    38| P06
     PO0 | 4    37| P07
     *RD | 5    36| *WR
     *CS | 6    35| RESET
     GND | 7    34| D0
      A1 | 8    33| D1
      A0 | 9    32| D2
     P27 |10    31| D3
     P26 |11    30| D4
     P25 |12    29| D5
     P24 |13    28| D6
     P20 |14    27| D7
     P21 |15    26| Vdd
     P22 |16    25| P17
     P23 |17    24| P16
     P10 |18    23| P15
     P11 |19    22| P14
     P12 |20    21| P13
         +--------+

Frequency

No frequency to check

External links

71055 page on CPU-World

Files

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  D71055 Datasheet