Table 21.8 (4) Usable Area For Erasure In User Boot Mode - Renesas H8S Series Hardware Manual

Section 21 Flash Memory (0.18-µm F-ZTAT Version)
Table 21.8 (4) Usable Area for Erasure in User Boot Mode
Item
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
Setting erasure
parameter
Rev. 3.00 Jul. 14, 2005 Page 790 of 986
REJ09B0098-0300
Storable/Executable Area
On-chip User Boot
RAM MAT
Ο 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
Ο
Embedded
Program Storage
MAT
Ο