D12320VF25V Datasheet, PDF (826/1146 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

Section 17 ROM
Table 17.73 (4) Usable Area for Erasure in User Boot Mode
Storable/Executable Area
Selected MAT
Item
On-Chip
RAM
User
Boot
MAT
External Space
(Expanded
Mode)
User
MAT
User
Boot
MAT
Embedded
Program
Storage Area
Operation for Selection of
On-Chip Program to be
Downloaded
Operation for Writing H'A5
to Key Register
Execution of Writing SC0 =
1 to FCCS (Download)
×
×
Operation for Key Register
Clear
Judgement of Download
Result
Operation for Download
Error
Operation for Settings of
Default Parameter
Execution of Initialization
×
×
Judgement of Initialization
Result
Operation for Initialization
Error
Operation for Interrupt
Inhibit
Switching MATs by
FMATS
×
×
Operation for Writing H'5A
×
to Key Register
Operation for Settings of
×
Erasure Parameter
Execution of Erasure
×
×
Judgement of Erasure
×
Result
Operation for Erasure
×^*
Error
Operation for Key Register
×
Clear
Switching MATs by
FMATS
×
×
Note: *Switching FMATS by a program in the on-chip RAM enables this area to be used.
Rev.7.00 Feb. 14, 2007 page 792 of 1108
REJ09B0089-0700