W65C22S Datasheet, PDF (13/46 Pages) List of Unclassifed Manufacturers – Versatile Interface Adapter (VIA)

The Western Design Center, Inc.
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CB2 Control
5 Operation
0 Input-negative active edge
1 Independent interrupt input-negative edge*
0 Input-positive active edge
1 Independent interrupt input-positive edge*
0 Handshake output
1 Pulse output
0 Low output
1 High output
CB1 Interrupt Control
0 = Negative Active Edge
1 = Positive Active Edge
W65C22S Data Sheet
CA2 Control
3 2 1 Operation
0 0 0 Input-negative active edge
0 0 1 Independent interrupt input-negative edge*
0 1 0 Input-positive active edge
0 1 1 Independent interrupt input-positive edge*
1 0 0 Handshake output
1 0 1 Pulse output
1 1 0 Low output
1 1 1 High output
CA1 Interrupt Control
0 = Negative Active Edge
1 = Positive Active Edge
The Western Design Center
W65C22S
13