Table 17.10 Usable Area For Programming In User Boot Mode - Renesas H8SX/1520 Series Hardware Manual

Table 17.10 Usable Area for Programming in User Boot Mode

Item
Storage area for program data
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 programming
parameter
Execution of programming
Decision of programming result
Operation for programming error
Operation for clearing FKEY
Switching memory MATs by FMATS
Notes: 1. Transferring the program data to the on-chip RAM beforehand enables this area to be
used.
2. Switching memory MATs by FMATS by a program in the on-chip RAM enables this
area to be used.
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Section 17 Flash Memory (0.18-(m F-ZTAT Version)
Storable/Executable
Area
On-Chip User Boot
RAM MAT
×*
1
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
×*
2
O
×
O
×
O
Selected MAT
User
User Boot
MAT MAT
 
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
Rev. 3.00 Mar. 14, 2006 Page 621 of 804
REJ09B0104-0300
Embedded
Program
Storage MAT

O