Application of Graphic LCD Module OCMJ8X15B to Release Lifetime Tester

The pin functions and control instructions of the graphic liquid crystal display(LCD) module OCMJ8X15B were described.The interface technique of the graphic LCD and single-chip microcomputer(SCM) for the release lifetime tester was introduced,and the corresponding hardware circuit was presented.The interface driver program of C8051F020 was developed in C51.A written command and a debugged data operating subprogram of LCD were also provided.The designed circuit and program of C8051F series SCM and LCD interface could be directly applied to other equipment.