r5f71374an80fpv Renesas Electronics Corporation., r5f71374an80fpv Datasheet - Page 968

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

Section 22 Flash Memory
1. After the data to be programmed has fixed values, clear the RAMS bit to 0 to cancel the
2. Transfer the user programming/erasing procedure program to RAM.
3. Run the programming/erasing procedure program in RAM and download the on-chip
4. When the EB0 area of the user MAT has not been erased, erasing must be performed before
Note: Setting the RAMS bit to 1 puts all the blocks in flash memory in the
Rev. 1.00 Sep. 21, 2007 Page 942 of 1124
REJ09B0402-0100
overlap of RAM. Emulation mode is canceled and emulation protection is also cleared.
programming/erasing program.
Specify the download start address with FTDAR so that the tuned data area does not overlap
with the download area.
programming. Set the parameters FMPAR and FMPDR so that the tuned data is designated,
and execute programming.
programming/erasing-protected state regardless of the values of the RAM2 to RAM0 bits
(emulation protection). Clear the RAMS bit to 0 before actual programming or erasure.
Though RAM emulation can also be carried out with the user boot MAT selected, the user
boot MAT can be erased or programmed only in boot mode or programmer mode.
H'3FFFF
H'00000
H'01000
H'02000
H'03000
H'04000
H'05000
H'06000
H'07000
H'08000
Figure 22.19 Programming of Tuned Data
Flash memory
EB8 to EB11
(user MAT)
EB0
EB1
EB2
EB3
EB4
EB5
EB6
EB7
(1) Cancel the emulation mode.
(2) Transfer the user programming/erasing
(3) Download the on-chip programming/
(4) Execute programming after erasing.
procedure program.
erasing program to the destination set
by FTDAR without overlapping the tuned
data area.
Programming/erasing
procedure program
<On-chip RAM>
Tuned data area
Download area
area
H'FFFFA000
H'FFFFAFFF
FTDAR setting
H'FFFFBFFF