SH7125 Datasheet, PDF (674/782 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer

Section 17 Flash Memory
Table 17.17 (1) Usable Area for Programming in User Program Mode
Storable/Executable Area
Selected MAT
Item
On-Chip
RAM
User
MAT
User
MAT
Embedded
Program
Storage
MAT
Program data storage area
√
X*
—
—
Selecting on-chip program to be √
√
√
downloaded
Writing H'A5 to key register
√
√
√
Writing 1 to SCO in FCCS
√
X
√
(download)
Key register clearing
√
√
√
Deciding download result
√
√
√
Download error processing
√
√
√
Setting initialization parameters √
√
√
Pro- Initialization
√
X
√
gram- _{Deciding initialization result}
√
√
√
ming
proce- ^{Initialization error processing}
√
√
√
dure _{Interrupt processing routine}
√
X
√
Writing H'5A to key register
√
√
√
Setting programming parameters √
X
√
Programming
√
X
√
Deciding programming result √
X
√
Programming error processing √
X
√
Key register clearing
√
X
√
Note: * If the data has been transferred to on-chip RAM in advance, this area can be used.
Rev. 3.00 Sep. 27, 2007 Page 654 of 758
REJ09B0243-0300