Datasheet
Section 24 Flash Memory
Rev. 2.00 Sep. 28, 2009 Page 797 of 994
REJ09B0452-0200
Table 24.13 Usable Area for Erasure in User Boot Mode
Storable/Executable Area Selected MAT
Item
On-chip RAM
User Boot
MAT
User MAT
User Boot
MAT
Embedded
Program
Storage MAT
Selecting on-chip program
to be downloaded
Ο Ο Ο
Writing H'A5 to FKEY Ο Ο Ο
Writing 1 to SCO in FCCS
(download)
Ο × Ο
FKEY clearing Ο Ο Ο
Determination of
download result
Ο Ο Ο
Download error
processing
Ο Ο Ο
Setting initialization
parameter
Ο Ο Ο
Initialization Ο × Ο
Determination of
initialization result
Ο Ο Ο
Initialization error
processing
Ο Ο Ο
Disabling interrupts Ο Ο Ο
Switching MATs by
FMATS
Ο × Ο
Writing H'5A to FKEY Ο × Ο
Setting erasure parameter Ο × Ο
Erasure Ο × Ο
Determination of erasure
result
Ο × Ο
Erasing error processing Ο ×* Ο
FKEY clearing Ο × Ο
Switching MATs by
FMATS
Ο × Ο
Note: * Switching FMATS by a program in the on-chip RAM enables this area to be used.










