Datasheet

CHAPTER 16 FLASH MEMORY
User’s Manual U18172EJ3V0UD
246
An example of the program that shifts the mode to self programming mode is shown below.
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;START
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MOV MK0,#11111111B ; Masks all interrupts
MOV FLCMD,#00H ; Clear FLCMD register
DI
ModeOnLoop: ; Configure settings so that the CPU clock ≥ 1 MHz
MOV PFS,#00H ; Clears flash status register
MOV PFCMD,#0A5H ; PFCMD register control
MOV FLPMC,#01H ; FLPMC register control (sets value)
MOV FLPMC,#0FEH ; FLPMC register control (inverts set value)
MOV FLPMC,#01H ; Sets self programming mode with FLPMC register
; control (sets value)
NOP
HALT
BT PFS.0,$ModeOnLoop ; Checks completion of write to specific registers
; Repeats the same processing when an error occurs.
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;END
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