Block Erase - Renesas RX100 Series User Manual

RX13T Group
31.7.4.2

Block Erase

Figure 31.13 and Figure 31.14 show the procedure to issue the block erase command.
Set the beginning address
in registers FSARH and FSARL
Set the last address of the erasure
block in registers FEARH and FEARL
FSTATR1.FRDY flag = 1?
FSTATR1.FRDY flag = 0?
FRESETR.FRESET bit = 1
FRESETR.FRESET bit = 0
Figure 31.13 Procedure to Issue the Block Erase Command for the ROM
R01UH0822EJ0100 Rev.1.00
Jul 31, 2019
Start in ROM P/E mode
FASR.EXS bit = 0
of the erasure block
FCR register = 84h
Yes
FCR register = 00h
Yes
FSTATR0.ILGLERR flag = 1 or
FSTATR0.ERERR flag = 1?
Yes
End in ROM P/E mode
No
No
No
Continue ROM erasure?
Sequencer
initialization
31. Flash Memory (FLASH)
Yes
No
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