r5f71374an80fpv Renesas Electronics Corporation., r5f71374an80fpv Datasheet - Page 949

• Manufacturer Part Number: r5f71374an80fpv
• Description: 32-bit Risc Microcomputer Superh?? Risc Engine Family
• Manufacturer: Renesas Electronics Corporation.

(1) On-Chip RAM Address Map when Programming/Erasing is Executed
Parts of the procedure program that are made by the user, like download request,
programming/erasing procedure, and decision of the result, must be executed in the on-chip
RAM. All of the on-chip program that is to be downloaded is in on-chip RAM. Note that on-
chip RAM must be controlled so that these parts do not overlap.
Figure 22.10 shows the program area to be downloaded.
programming/erasing
processing period
Unusable area in
(Size: 3 Kbytes)
downloaded
Area to be
Figure 22.10 RAM Map after Download
(Return value: 1 byte)
programming program
RAM emulation area
System use area
Area that can be
Area that can be
<On-chip RAM>
or Initialization +
Area that can be
erasing program
Programming/
process entry
Initialization +
used by user
erasing entry
used by user
Initialization
used by user
(15 bytes)
DPFR
Address
RAMTOP (H'FFFF8000)
FTDAR setting
FTDAR setting+16
FTDAR setting+32
FTDAR setting+3072
H'FFFFA000
H'FFFFAFFF
RAMEND (H'FFFFBFFF)
Rev. 1.00 Sep. 21, 2007 Page 923 of 1124
Section 22 Flash Memory
REJ09B0402-0100