R5F61655N50FPV Datasheet, PDF (1115/1376 Pages) Renesas Technology Corp – Renesas 32-Bit CISC Microcomputer H8SX Family / H8SX/1600 Series

Section 24 Flash Memory
Table 24.11 Usable Area for Programming in User Boot Mode
Storable/Executable Area
Selected MAT
Item
On-Chip
RAM
User Boot User
MAT
MAT
User Embedded
Boot Program
MAT Storage MAT
Storage area for program data
O
×*¹
⎯
⎯
⎯
Operation for selecting on-chip
O
O
O
program to be downloaded
Operation for writing H'A5 to FKEY O
O
O
Execution of writing 1 to SCO bit in O
×
O
FCCS (download)
Operation for clearing FKEY
O
O
O
Decision of download result
O
O
O
Operation for download error
O
O
O
Operation for setting initialization O
O
O
parameter
Execution of initialization
O
×
O
Decision of initialization result
O
O
O
Operation for initialization error
O
O
O
NMI handling routine
O
×
O
Operation for disabling interrupts O
O
O
Switching memory MATs by FMATS O
×
O
Operation for writing H'5A to FKEY O
×
O
Operation for setting programming O
parameter
×
O
Execution of programming
O
×
O
Decision of programming result
O
Operation for programming error O
×
O
×*²
O
Operation for clearing FKEY
O
×
O
Switching memory MATs by FMATS O
×
O
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.
Rev. 2.00 Oct. 20, 2009 Page 1083 of 1340
REJ09B0499-0200