3069RF-ZTAT Datasheet, PDF (706/1003 Pages) Renesas Technology Corp – RENESAS 16-BIT SINGLE-CHIP MICROCOMPUTER

Table 18.28 (4) Useable Area for Erasure in User Boot Mode
Storable/Executable Area
Selected MAT
Item
User
On-chip Boot
RAM MAT
External Space
(Expanded User
Mode)
MAT
User
Boot
MAT
Erasing
Procedure
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
NMI Handling Routine
×
Embedded
Program
Storage Area
Rev. 5.0, 09/04, page 684 of 978