SH7055S Datasheet, PDF (879/1002 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH RISC engine Family/SH7000 Series

Table 22.30 (3) Usable Area for Programming in User Boot Mode
Pro-
gram-
ming
proce-
dure
Item
Program data storage
area
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
Setting initialization
parameters
Initialization
Judging initialization
result
Initialization error
processing
Interrupt processing
routine
Switching MATs by
FMATS
Writing H'5A to Key
Register
Storable/Executable Area
On-
Chip
RAM
User
MAT
External
Space
(Expanded
Mode with
MD0 = 0)
O
X*¹
O
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
X
X
O
X
O
Selected MAT
User
MAT
—
User
Boot
Mat
—
Embedded
Program
Storage
Area
—
O
O
O
O
O
O
O
O
O
O
O
O
O
Rev.2.0, 07/03, page 841 of 960