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S3F84B8_UM_REV 1.00
FMSECH
FMSECL
R(n)
R(n+1)
R(data)
Start
SB1
High Address of Sector
Low Address of Sector
High Address to Write
Low Address to Write
8-bit Data
FMUSR
#0A5H
FMCON
#01010000B
LDC
@RR(n),R(data)
FMUSR
#00H
SB0
Finish 1-BYTE Writing
Figure 19-8
Byte Program Flowchart in a User Program Mode
19 EMBEDDED FLASH MEMORY INTERFACE
; Select Bank1
; Set Secotr Base Address
; Set Address and Data
; User Program Mode Enable
; Mode Select
; Write data at flash
; User Program Mode Disable
; Select Bank0
19-9
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