W65C22S Datasheet, PDF (6/46 Pages) List of Unclassifed Manufacturers – Versatile Interface Adapter (VIA)

The Western Design Center, Inc.
W65C22S Data Sheet
TABLE OF TABLES
TABLE 1-1 W65C22S MEMORY MAP OF INTERNAL REGISTERS ...................................................................................... 8
TABLE 1-2 ORB, IRB OPERATION FOR REGISTER 0 ($00).................................................................................................... 9
TABLE 1-3 ORA, IRA OPERATION FOR REGISTER 1 ($01) ................................................................................................. 10
TABLE 1-4 DDRB, DDRA OPERATION ($02,$03)................................................................................................................... 10
TABLE 1-5 CA1, CA2, CB1, CB2 CONTROL1 ($0C).............................................................................................................. 12
TABLE 1-6 T1 COUNTER FORMAT AND OPERATION1 ($04,$05) ...................................................................................... 15
TABLE 1-7 T1 LATCH FORMAT AND OPERATION1 ($06,$07)............................................................................................ 15
TABLE 1-8 AUXILIARY CONTROL REGISTER FORMAT AND OPERATION ($0B).......................................................... 16
TABLE 1-9 T2 COUNTER FORMAT AND OPERATION1 ($08,$09).................................................................................... 19
TABLE 1-10 SHIFT REGISTER AND AUXILIARY CONTROL REGISTER CONTROL ($0A).......................................... 21
TABLE 1-11 INTERRUPT FLAG REGISTER ($0D) ............................................................................................................... 26
TABLE 1-12 INTERRUPT ENABLE REGISTER ($0E)........................................................................................................... 27
TABLE 2-1 PIN FUNCTION TABLE........................................................................................................................................ 31
TABLE 3-1 ABSOLUTE MAXIMUM RATINGS..................................................................................................................... 35
TABLE 3-2 DC CHARACTERISTICS ....................................................................................................................................... 36
TABLE 3-3 W65C22S AC CHARACTERISTICS ...................................................................................................................... 37
TABLE 3-4 W65C22S AC........................................................................................................................................................... 38
The Western Design Center
W65C22S
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