Datasheet

Section 24 Flash Memory
Rev. 2.00 Sep. 28, 2009 Page 796 of 994
REJ09B0452-0200
Table 24.12 Usable Area for Programming 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
Storage area for program
data
Ο ×*
1
⎯ ⎯ ⎯
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 programming
parameter
Ο × Ο
Programming Ο × Ο
Determination of
programming result
Ο × Ο
Programming error
processing
Ο ×*
2
Ο
FKEY clearing Ο × Ο
Switching MATs by FMATS Ο × Ο
Notes: 1. Transferring the data to the on-chip RAM in advance enables this area to be used.
2. Switching FMATS by a program in the on-chip RAM enables this area to be used.