SH7211 Datasheet, PDF (1006/1228 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperHTM RISC engine Family

Section 21 Flash Memory
Table 21.17 (2) Usable Area for Erasure in User Program Mode
Storable/Executable Area
Selected MAT
Item
On-
Chip
RAM
User
MAT
External
Space
User
MAT
Embedded
Program
Storage
MAT
Selecting on-chip program to be √
√
√
√
downloaded
Writing H'A5 to key register
√
√
√
√
Writing 1 to SCO in FCCS
√
X
X
√
(download)
Key register clearing
√
√
√
√
Judging download result
√
√
√
√
Download error processing
√
√
√
√
Setting initialization parameters √
√
√
√
Initialization
√
X
X
√
Erasing Judging initialization result
√
√
√
√
proce- _{Initialization error processing}
√
√
√
√
dure
Interrupt processing routine
√
X
√
√
Writing H'5A to key register
√
√
√
√
Setting erasure parameters
√
X
√
√
Erasure
√
X
X
√
Judging erasure result
√
X
√
√
Erasing error processing
√
X
√
√
Key register clearing
√
X
√
√
Rev. 2.00 May. 08, 2008 Page 982 of 1200
REJ09B0344-0200