SH7080_09 Datasheet, PDF (1379/1622 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH RISC engine Family

Section 23 Flash Memory
Table 23.18 (4) Usable Area for Erasure in User Boot Mode
Storable/Executable Area
Item
Selecting on-chip
program to be
downloaded
Writing H'A5 to key
register
Writing 1 to SCO in
FCCS (download)
Key register clearing
Judging download
result
Download error
processing
Erasing Setting initialization
proce- parameters
dure _{Initialization}
Judging initialization
result
Initialization error
processing
Interrupt processing
routine
Switching MATs by
FMATS
Writing H'5A to key
register
Setting erasure
parameters
On-
Chip
RAM
√
User
Boot
MAT
√
External
Space
√
User
MAT
√
√
√
√
X
X
√
√
√
√
√
√
√
√
√
√
√
√
√
X
X
√
√
√
√
√
√
√
X
√
√
X
X
√
X
√
√
√
X
√
√
Selected MAT
User
Boot
MAT
Embedded
Program
Storage
Area
√
√
√
√
√
√
√
√
√
√
√
√
Rev. 4.00 Dec. 15, 2009 Page 1319 of 1558
REJ09B0181-0400