Datasheet

CHAPTER 16 FLASH MEMORY
User’s Manual U18172EJ3V0UD
255
An example of a program that performs a block blank check in self programming mode is shown below.
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;START
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FlashBlockBlankCheck:
MOV FLCMD,#04H ; Sets flash control command (block blank check)
MOV FLAPH,#07H ; Sets number of block for blank check (block 7 is specified
; here)
MOV FLAPL,#00H ; Fixes FLAPL to “00H”
MOV FLAPHC,#07H ; Sets blank check block compare number (same value as that of
; FLAPH)
MOV FLAPLC,#0FFH ; Fixes FLAPLC to “FFH”
MOV PFS,#00H ; Clears flash status register
MOV WDTE,#0ACH ; Clears & restarts WDT
HALT ; Self programming is started
MOV A,PFS
MOV CmdStatus,A ; Execution result is stored in variable
; (CmdStatus = 0: normal termination, other than 0: abnormal
; termination)
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;END
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