R5F61525 RENESAS [Renesas Technology Corp], R5F61525 Datasheet - Page 642

• Manufacturer Part Number: R5F61525
• Description: 32-Bit CISC Microcomputer H8SX Family H8SX/1500 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Section 17 Flash Memory (0.18-(m F-ZTAT Version)
(1)
Parts of the procedure program that is made by the user, like download request,
programming/erasing procedure, and decision of the result, must be executed in the on-chip RAM.
Since the on-chip program to be downloaded is embedded in the on-chip RAM, make sure the on-
chip program and procedure program do not overlap. Figure 17.10 shows the area of the on-chip
program to be downloaded.
Rev. 3.00 Mar. 14, 2006 Page 604 of 804
REJ09B0104-0300
On-Chip RAM Address Map when Programming/Erasing is Executed
Figure 17.10 RAM Map when Programming/Erasing is Executed
Unusable area during
programming/erasing
Area to be
downloaded
(size: 4 kbytes)
RAM emulation area or
area that can be used
by user
programming program
Area that can be used
Programming/erasing
Initialization program
(Return value: 1 byte)
System use area
erasing program
Initialization +
Initialization +
program entry
(15 bytes)
by user
entry
DPFR
or
FTDAR setting
FTDAR setting + 16 bytes
FTDAR setting + 32 bytes
FTDAR setting + 4 kbytes
H'FFBFFF