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Table 17-73 (4) Useable Area for Erasure in User Boot Mode
Item
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. 5.00, 12/03, page 768 of 1088
Storable/Executable Area
User
External Space
On-chip
Boot
RAM
MAT
×
×
×
×
×
×
×
× *
×
×
User
(Expanded
MAT
Mode)
×
×
×
×
×
Selected MAT
User
Embedded
Boot
Program
MAT
Storage Area
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