CHAPTER 16 FLASH MEMORY
User’s Manual U18172EJ2V0UD
237
An example of a program that shifts the mode to normal mode is shown below.
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;START
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MOV
FLCMD,#00H
; Clear FLCMD register
ModeOffLoop:
MOV
PFS,#00H
; Clears flash status register
MOV
PFCMD,#0A5H
; PFCMD register control
MOV
FLPMC,#00H
; FLPMC register control (sets value)
MOV
FLPMC,#0FFH
; FLPMC register control (inverts set value)
MOV
FLPMC,#00H
; Sets normal mode via FLPMC register control (sets value)
BT PFS.0,$ModeOffLoop
; Checks completion of write to specific registers
; Repeats the same processing when an error occurs
; Restore the CPU clock to its setting before the self
;
programming
MOV
MK0,#INT_MK0
; Restores interrupt mask flag
EI
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;END
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