SH7058 Datasheet, PDF (978/1130 Pages) Renesas Technology Corp – Renesas SuperHTM RISC engine

Table 23.30 (3) Usable Area for Programming in User Boot Mode
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
Pro- _result
gram- _{Download error}
ming _processing
proce- _{Setting initialization}
dure _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. 3.0, 09/04, page 937 of 1086