upd78f9211grt2-jjg-a ETC-unknow, upd78f9211grt2-jjg-a Datasheet - Page 245

• Manufacturer Part Number: upd78f9211grt2-jjg-a
• Description: 8-bit Single-chip Microcontrollers
• Manufacturer: ETC-unknow

An example of a program that performs a byte write in self programming mode is shown below.
;----------------------------
;START
;----------------------------
FlashWrite:
;----------------------------
;END
;----------------------------
MOV
MOV
MOV
MOV
MOV
MOV
HALT
MOV
MOV
FLCMD,#05H
FLAPH,#07H
FLAPL,#20H
FLW,#10H
PFS,#00H
WDTE,#0ACH
A,PFS
CmdStatus,A
; Sets flash control command (byte write)
; Sets address to which data is to be written, with
; FLAPH (block 7 is specified here)
; Sets address to which data is to be written, with
; FLAPL (address 20H is specified here)
; Sets data to be written (10H is specified here)
; Clears flash status register
; Clears & restarts WDT
; Self programming is started
; Execution result is stored in variable
; (CmdStatus = 0: normal termination, other than 0: abnormal
; termination)
CHAPTER 16 FLASH MEMORY
User’s Manual U16994EJ3V0UD
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