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PPI/CC Hong Kong Polytechnic University Department of Electronic and Information Engineering Experiment On 8255 PPI chip Objectives : To study how 8255 PPI chip works. After completing this experiment, you should know the different operation modes of an 8255 PPI chip and how to configure the chip to operate in a particular operation mode. You should also know how to use handshake to transfer data in an interface. Software : Text editor, 8051 cross-assembler, 8051 linker and 8051 programmer
Apparatus : 8051 evaluation board and 8255 evaluation board Reference : H-P. Messmer, "The indispensable PC hardware book," 3rd Ed, Addison-Wesley, 1997 Chapter 29 Section 2. Barry B.
PPI8255 Datasheet
