©
National Instruments Corporation C-1 PC-DIO-24 User Manual

Appendix

C
OKI 82C55A Data Sheet*
This appendix contains the manufacturer data sheet for the OKI
Semiconductor 82C55A CMOS programmable peripheral
interface(PPI). This interface is used on the DAQCard-DIO-24.
* Copyright © OKI Semiconductor. 1993. Reprinted with permission of copyright owner.
All rights reserved.
OKI Semiconductor Data Book Microprocessor, Seventh Edition, March 1993.