SH7055S Datasheet, PDF (877/1002 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH RISC engine Family/SH7000 Series

Table 22.30 (1) Usable Area for Programming in User Program Mode
Storable /Executable Area
Selected MAT
Item
On-Chip User
RAM
MAT
External
Space
(Expanded
Mode with
MD0 = 0)
User
MAT
Embedded
Program
Storage
MAT
Program data storage O
area
X*
O
—
—
Selecting on-chip
O
O
O
O
program to be
downloaded
Writing H'A5 to key
O
O
O
O
register
Writing 1 to SCO in
O
X
X
O
FCCS (download)
Key register clearing O
O
O
O
Judging download
O
O
O
O
result
Pro-
gram- ^{Download error}
O
O
O
O
ming ^processing
proce- Setting initialization
O
O
O
O
dure parameters
Initialization
O
X
X
O
Judging initialization O
O
O
O
result
Initialization error
O
O
O
O
processing
Interrupt processing O
X
O
O
routine
Writing H'5A to key
O
O
O
O
register
Setting programming O
X
O
O
parameters
Programming
O
X
X
O
Judging programming O
X
O
O
result
Programming error
O
X
O
O
processing
Key register clearing O
X
O
O
Note: * If the data has been transferred to on-chip RAM in advance, this area can be used.
Rev.2.0, 07/03, page 839 of 960