SH7125 Datasheet, PDF (598/782 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer

Section 17 Flash Memory
17.2.4 Flash Memory Configuration
This LSI's flash memory is configured by the 128-Kbyte, 64-Kbyte, or 32-Kbyte user MAT.
• 128KB
SH71253
SH71243
• 64KB
SH71252
SH71242
• 32KB
SH71241
Address H'00000000
<User MAT>
Address H'00007FFF
(when the size of the user MAT
is 32 kbytes)
Address H'0000FFFF
(when the size of the user MAT
is 64 kbytes)
Address H'0001FFFF
(when the size of the user MAT
is 128 kbytes)
128 kbytes, 64 kbytes,
or 32 kbytes
Figure 17.3 Flash Memory Configuration
17.2.5 Block Division
The user MAT is divided into 64 Kbytes (128-kbyte version: one block), 32 Kbytes (one block),
and 4 Kbytes (eight blocks) as shown in figure 17.4. The user MAT can be erased in this divided-
block units and the erase-block number of EB0 to EB9 is specified when erasing.
Address H'00000000
Last address of 32-kbyte version H'00007FFF
Last address of 64-kbyte version H'0000FFFF
< User MAT >
4 kbytes × 8
32 kbytes
Last address of 128-kbyte version H'0001FFFF
64 kbytes
Figure 17.4 Block Division of User MAT
Erase block
EB0
to
EB7
EB8
EB9
Rev. 3.00 Sep. 27, 2007 Page 578 of 758
REJ09B0243-0300