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6522
VERSATILE INTERFACE ADAPTOR (VIA)




PIN DESCFUNCTION
1Vss Ground.
2-9PA0-PA7 Peripheral I/O Port A.
10-17PB0-PB7 Peripheral I/O Port B.
18,19CB1,CB2 Peripheral B Control Lines.
20Vcc +5VDC.
21IRQ Interrupt Request.
22R/W Read/Write.
23,24CS1,CS2 Chip Select.
2502 Phase 2 Internal Clock.
26-33D0-D7 Data Bus.
34RES Reset Input, Low Active.
35-38RS0-RS3 Register Select Inputs.
39,40CA1,CA2 Peripheral A Control Lines.

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This page has been created by Frank Kontros.
Last updated Mayy 21th, 1998.