Fujitsu 8FX Hardware Manual page 601

MB95630H Series
■ Note on Setting (FSR:WRE)
To program data to the Flash memory, set the WRE bit to "1" to enable Flash memory
programming and then set the bit in the SWRE0 register corresponding to a sector to which
data is to be written. When Flash memory programming is disabled by setting the WRE bit to
"0", no write access to a sector in the Flash memory can be executed even though it has been
enabled by setting a bit corresponding to that sector in the SWRE0 register to "1".
MN702-00009-2v0-E
CHAPTER 26 DUAL OPERATION FLASH MEMORY
FUJITSU SEMICONDUCTOR LIMITED
26.8 Registers
579