SH7147 Datasheet, PDF (925/1108 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperH™ RISC engine Family

Section 20 Flash Memory
Table 20.19 (3) Usable Area for Programming in User Boot Mode
Storable/Executable Area
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
Pro-
gram-
ming
proce-
dure
Deciding download
result
Download error
processing
Setting initialization
parameters
Initialization
Deciding initialization
result
Initialization error
processing
Interrupt processing
routine
Switching MATs by
FMATS
Writing H'5A to Key
Register
On-
Chip
RAM
√
√
√
√
√
√
√
√
√
√
√
√
√
√
User
Boot
MAT
X*¹
√
√
X
√
√
√
√
X
√
√
X
X
X
External
Space
√
User
MAT
—
√
√
X
√
√
√
√
X
√
√
√
X
√
√
√
Selected MAT
User
Boot
MAT
Embedded
Program
Storage
Area
—
—
√
√
√
√
√
√
√
√
√
√
√
Rev. 3.00 Oct. 06, 2008 Page 901 of 1080
REJ09B0230-0300