Z180

8-bit Microprocessor

Pinout

DIP64
         +---\/---+
     Vss |1     64| Ø
    XTAL |2     63| *RD
   EXTAL |3     62| *WR
   *WAIT |4     61| *LIR
 *BUSACK |5     60| E
 *BUSREQ |6     59| *ME
  *RESET |7     58| *IOE
    *NMI |8     57| *REF
   *INT0 |9     56| *HALT
   *INT1 |10    55| *TEND1
   *INT2 |11    54| *DREQ1
      ST |12    53| CKS
      A0 |13    52| RXS/*CTS1
      A1 |14    51| TXS
      A2 |15    50| CKA1/*TEND0
      A3 |16    49| RXA1
      A4 |17    48| TXA1
      A5 |18    47| CKA0/*DREQ0
      A6 |19    46| RXA0
      A7 |20    45| TXA0
      A8 |21    44| *DCD0
      A9 |22    43| *CTS0
     A10 |23    42| *RTS0
     A11 |24    41| D7
     A12 |25    40| D6
     A13 |26    39| D5
     A14 |27    38| D4
     A15 |28    37| D3
     A16 |29    36| D2
     A17 |30    35| D1
A18/TOUT |31    34| D0
     Vcc |32    33| Vss
         +--------+

Frequency

DIP64
Set reader to FREQ, put black probe to GND, red probe to 2,3 and 64 to measure CPU clock

External links

Z180 page on Wikipedia
Z180 page on CPU-World

Files

HD64180.pdf