Section 21 Flash Memory (0.18-µm F-ZTAT Version)
Table 21.8 (3)
Usable Area for Programming in User Boot Mode
Item
Storage area for
program data
Selecting on-chip
program to be
downloaded
Writing H'A5 to FKEY
Writing 1 to SCO in
FCCS (download)
FKEY clearing
Determination of
download result
Download error
processing
Setting initialization
parameter
Initialization
Determination of
initialization result
Initialization error
processing
NMI handling routine
Disabling interrupts
Switching MATs by
FMATS
Writing H'5A to FKEY
Rev. 3.00 Jul. 14, 2005 Page 788 of 986
REJ09B0098-0300
Storable/Executable Area
On-chip
User Boot
RAM
MAT
Ο
×*
1
Ο
Ο
Ο
Ο
Ο
×
Ο
Ο
Ο
Ο
Ο
Ο
Ο
Ο
Ο
×
Ο
Ο
Ο
Ο
Ο
×
Ο
Ο
Ο
×
Ο
×
Selected MAT
User Boot
User MAT
MAT
Ο
Ο
Ο
Ο
Ο
Ο
Ο
Ο
Ο
Ο
Ο
Ο
Ο
Embedded
Program Storage
MAT
Ο