W65C22S Datasheet, PDF (29/46 Pages) List of Unclassifed Manufacturers – Versatile Interface Adapter (VIA)

The Western Design Center, Inc.
W65C22S Data Sheet
VSS 1
40 CA1
PA0 2
39 CA2
PA1 3
38 RS0
PA2 4
37 RS1
PA3 5
36 RS2
PA4 6
35 RS3
PA5 7
34 RESB
PA6 8
33 D0
PA7 9
32 D1
PB0 10 W65C22S 31 D2
PB1 11
30 D3
PB2 12
29 D4
PB3 13
28 D5
PB4 14
27 D6
PB5 15
26 D7
PB6 16
25 PHI2
PB7 17
24 CS1
CB1 18
23 CS2B
CB2 19
22 RWB
VDD 20
21 IRQB
Figure 2-2 W65C22S 40 Pin PDIP Pinout
The Western Design Center
W65C22S
29