W65C22S Datasheet, PDF (41/46 Pages) List of Unclassifed Manufacturers – Versatile Interface Adapter (VIA)

The Western Design Center, Inc.
PHI2
WRITE, ORA, ORB
OPERATION
CA2, CB2
“DATA TAKEN”
PA, PB
PERIPHERAL DATA
tWHS
tDS
W65C22S Data Sheet
tRS3
Figure 3-6 Write Handshake, Pulse Mode Timing (CA2, CB2)
PHI2
WRITE ORA, ORB
OPERATION
CA2, CB2
“DATA READY”
PA, PB
PERIPHERAL DATA
CA1, CB1
“DATA TAKEN”
tWHS
tDS
t21
tRS4
ACTIVE
TRANSITION
Figure 3-7 Write Handshake, Handshake Mode Timing (CA2, CB2)
The Western Design Center
W65C22S
41