CHAPTER 18 FLASH MEMORY
User’s Manual U16898EJ3V0UD
289
An example of a program that shifts the mode to normal mode is shown below.
;----------------------------
;START
;----------------------------
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)
MOV
A,PFS
CMP
A,#00H
BNZ
$ModeOffLoop
; Checks completion of write to specific registers
; Repeats the same processing when an error occurs
MOV
MK0,#INT_MK0
; Restores interrupt mask flag
MOV
MK1,#INT_MK1
EI
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;END
;----------------------------