HD637x01Y0

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8-bit Single-Chip Microcomputer

Contents

Family table

part N. Clock Freq. (MHz)
HD63701Y0C 0.1 to 1.0
HD637A01Y0C 0.1 to 1.5
HD637B01Y0C 0.1 to 2.0

Pinout

        SDIP64-750mil
          +---\/---+
      Vss | 1    64| E
     XTAL | 2    63| *RD/P70
    EXTAL | 3    62| *WR/P71
      MP0 | 4    61| R/*W/P72
      MP1 | 5    60| *LIR/P73
 *RES/Vpp | 6    59| BA/P74
    *STBY | 7    58| D0/P30/EO0
 *NMI/EA9 | 8    57| D1/P31/EO1
  P20/Tin | 9    56| D2/P32/EO2
P21/TouT1 |10    55| D3/P33/EO3
 P22/SCLK |11    54| D4/P34/EO4
   P23/Rx |12    53| D5/P35/EO5
   P24/Tx |13    52| D6/P36/EO6
P25/Tout2 |14    51| D7/P37/EO7
P26/Tout3 |15    50| A0/P10/EA0
 P27/TCLK |16    49| A1/P11/EA1
P50/*IRQ1 |17    48| A2/P12/EA2
P51/*IRQ2 |18    47| A3/P13/EA3
   P52/MR |19    46| A4/P14/EA4
P53/*HALT |20    45| A5/P15/EA5
  P54/*IS |21    44| A6/P16/EA6
  P55/*OS |22    43| A7/P17/EA7
      P56 |23    42| Vss
      P57 |24    41| A8/P40/EA8
      P60 |25    40| A9/P41/*OE
      P61 |26    39| A10/P42/EA10
      P62 |27    38| A11/P43/EA11
      P63 |28    37| A12/P44/EA12
      P64 |29    36| A13/P45/EA13
      P65 |30    35| A14/P46/EA14
      P66 |31    34| A15/P47/*CE
      P67 |32    33| Vcc
          +--------+

Frequency

SDIP64
Set reader to FREQ, put black probe to GND, red probe to 2,3,11,16,64 to measure CPU clock

External links

HD63701Y0C page on CPU-World

Files

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