CHAPTER 16 FLASH MEMORY
User’s Manual U18172EJ2V0UD
234
An example of the program that shifts the mode to self programming mode is shown below.
;----------------------------
;START
;----------------------------
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.
;----------------------------
;END
;----------------------------