Z80 Datasheet, PDF (29/330 Pages) Zilog, Inc. – Z80 CPU PERIPHERALS

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7UGT /CPWCN

6 5 4 3 2 1 44 43 42 41 40
GND 7
N/C 8
RD 9
ZC/TO0 10
N/C 11
ZC/TO1 12
ZC/TO2 13
IORQ 14
N/C 15
IEO 16
N/C 17
Z80 CTC
39 N/C
38 N/C
37 +5V
36 N/C
35 CLK/TRG0
34 ^N/C
33 CLK/TRG1
32 CLK/TRG2
31 CLK/TRG3
30 N/C
29 CS1
18 19 20 21 22 23 24 25 26 27 28
Figure 6. 44-Pin Chip Carrier Pin Assignments
UM008101-0601
Counter/Timer Channels