Z80 CPU

Pinout

A11 <-- 1    Z80   
   CPU   
40 --> A10
A12 <-- 2 39 --> A9
A13 <-- 3 38 --> A8
A14 <-- 4 37 --> A7
A15 <-- 5 36 --> A6
CLK --> 6 35 --> A5
D4 <-> 7 34 --> A4
D3 <-> 8 33 --> A3
D5 <-> 9 32 --> A2
D6 <-> 10 31 --> A1
Vcc --- 11 30 --> A0
D2 <-> 12 29 --- GND
D7 <-> 13 28 --> !RFSH
D0 <-> 14 27 --> !M1
D1 <-> 15 26 <-- !RESET
!INT --> 16 25 <-- !BUSRQ
!NMI --> 17 24 <-- !WAIT
!HALT <-- 18 23 --> !BUSAK
!MREQ <-- 19 22 --> !WR
!IORQ <-- 20 21 --> !RD

Registers

Z8400/Z84C00 Z80 CPU Product Specification (35 pages)

Z84013/Z84015/Z84C13/Z84C15 Intelligent Peripheral Controller a Z80 with SIO, CTC, PIO, watchdog, power-on-reset
Product Specification (65 pages) and Customer Procurement Specification (27 pages)