Datasheet

Section 22 Flash Memory
R01UH0309EJ0500 Rev. 5.00 Page 1159 of 1408
Sep 24, 2012
H8S/2456, H8S/2456R, H8S/2454 Group
NO
YES
FMRDY = 1?
Start
Write command code "H'20xx"*
1
Write "H'D0xx" to the lowest
address of the block.
Full status check *
2
*
3
End of block erase
1.
2.
3.
Write the command code and data to even addresses.
See figure 22.8.
If an erase error occurs, repeat a sequence of the clear
status register command -> block erase command at least
three times until no erase error occurs.
Notes:
Figure 22.4 Flowchart of Block Erase Command Processing