Fujitsu MB90895 Series Hardware Manual page 599

Note: The flash memory operation flag bit (RDYINT) and flash memory programming/erasing
status bit (RDY) do not change simultaneously. A program should be created so as to identify
the termination of programming/erasing using either the RDYINT bit or RDY bit.
Automatic algorithm
end timing
RDYINT bit
RDY bit
CHAPTER 19 512 KBIT FLASH MEMORY
1 Machine cycle
581