SH7055S Datasheet, PDF (878/1002 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH RISC engine Family/SH7000 Series

Table 22.30 (2) Usable Area for Erasure in User Program Mode
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
Erasing
proce-
dure
Download error
processing
Setting initialization
parameters
Initialization
Judging initialization
result
Initialization error
processing
Interrupt processing
routine
Writing H'5A to key
register
Setting erasure
parameters
Erasure
Judging erasure result
Erasing error
processing
Key register clearing
Storable /Executable Area
On-Chip User
RAM
MAT
External
Space
(Expanded
Mode with
MD0 = 0)
O
O
O
O
O
O
O
X
X
O
O
O
O
O
O
O
O
O
O
O
O
O
X
X
O
O
O
O
O
O
O
X
O
O
O
O
O
X
O
O
X
X
O
X
O
O
X
O
O
X
O
Selected MAT
User
MAT
O
Embedded
Program
Storage
MAT
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
Rev.2.0, 07/03, page 840 of 960