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MC68HC705P6A Datasheet, PDF (89/130 Pages) Motorola, Inc – HCMOS Microcontroller Unit
EPROM
Programming from an External Memory Device
PROGRAM 2764 TYPE EPROM
INSTALL EPROM INTO PROGRAMMER
INSTALL MC68HC705P6A INTO PROGRAMMER
PROGRAMMING?
N
Y
OPEN PROGRAM SWITCH
CLOSE PROGRAM SWITCH
VERIFYING?
N
Y
OPEN VERIFY SWITCH
CLOSE VERIFY SWITCH
CLOSE RESET SWITCH
PROGRAMMING? N
Y
WAIT FOR PROGRAMMING LED TO
TURN ON AND OFF.
VERIFYING?
N
Y
WAIT FOR 30 SECONDS
N
IS VERIFY
LED LIT?
Y
MAKE SURE VPP IS OFF
VERIFICATION FAILED
VERIFICATION COMPLETE
TURN VDD ON
TURN VPP ON
OPEN RESET SWITCH
CLOSE RESET SWITCH
TURN OFF VPP
TURN OFF VDD
REMOVE DEVICES
Figure 10-2. MC68HC705P6A EPROM Programming Flowchart
MC68HC705P6A — Rev. 2.0
MOTOROLA
EPROM
Advance Information
89