R01UH0822EJ0100 Rev.1.00
Page 943 of 1041
Jul 31, 2019
RX13T Group
31. Flash Memory (FLASH)
31.7.4.3
Blank Check
and
show the procedure to issue the blank check command.
Figure 31.15
Procedure to Issue the Blank Check Command for the ROM
Set the blank check start address
in registers FSARH and FSARL
Set the blank check end address
in registers FEARH and FEARL
FCR register = 83h
FSTATR1.FRDY flag = 1?
No
Yes
FCR register = 00h
FSTATR1.FRDY flag = 0?
No
Yes
FSTATR0.ILGLERR flag = 1 or
FSTATR0.BCERR flag = 1?
Yes
No
FRESETR.FRESET bit = 1
FRESETR.FRESET bit = 0
End in ROM P/E mode
Sequencer
initialization
FASR.EXS bit = 0
Start in ROM P/E mode