Table 17.11 Usable Area For Erasure In User Boot Mode - Renesas H8SX/1520 Series Hardware Manual

Section 17 Flash Memory (0.18-(m F-ZTAT Version)

Table 17.11 Usable Area for Erasure in User Boot Mode

Item
Operation for selecting on-chip
program to be downloaded
Operation for writing H'A5 to FKEY
Execution of writing 1 to SCO bit in
FCCS (download)
Operation for clearing FKEY
Decision of download result
Operation for download error
Operation for setting initialization
parameter
Execution of initialization
Decision of initialization result
Operation for initialization error
NMI handling routine
Operation for disabling interrupts
Switching memory MATs by FMATS
Operation for writing H'5A to FKEY
Operation for setting erasure
parameter
Execution of erasure
Decision of erasure result
Operation for erasure error
Operation for clearing FKEY
Switching memory MATs by FMATS
Note: Switching memory MATs by FMATS by a program in the on-chip RAM enables this area to
be used.
Rev. 3.00 Mar. 14, 2006 Page 622 of 804
REJ09B0104-0300
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Storable/Executable
Area
On-Chip User Boot
RAM MAT
O O
O O
×
O
O O
O O
O O
O O
×
O
O O
O O
×
O
O O
×
O
×
O
×
O
×
O
×
O
×*
O
×
O
×
O
Selected MAT
User Embedded
User Boot Program
MAT MAT Storage MAT
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O