Based on 80x86CPU as the core controller with the basic I/O interface function of the hardware circuit system schematic design, PCB circuit design and software programming. The basic I/O interface circuit includes: latch, buffer, address decoder, 8255 interface, 8253 interface, A/D (D/A) conversion circuit, serial interface circuit, etc . software function requirements to complete the basic I/O interface circuit control and serial communication function debugging.

CourseDesign_StepMotor
......................\code.doc
......................\ISIS.dmp
......................\keyscan.asm
......................\keyscan.DSN
......................\keyscan.exe
......................\keyscan.lst
......................\keyscan.obj
......................\keyscan.PWI
......................\Last Loaded keyscan.DBK
......................\report.doc
......................\数码管段码.txt

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