SH7147 Datasheet, PDF(828/1108 Page) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperH™ RISC engine Family

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SH7147 Datasheet, PDF (828/1108 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperH™ RISC engine Family

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Section 20 Flash Memory

20.2.5 Block Division

The user MAT is divided into 64 Kbytes (seven blocks in 512-Kbyte product, five blocks in 384-

Kbyte product, and three blocks in 256-Kbyte product), 32 Kbytes (one block), and 4 Kbytes

(eight blocks) as shown in figure 20.4. The user MAT can be erased in this divided-block units

and the erase-block number of EB0 to EB11 is specified when erasing.

The RAM emulation can be performed in the eight blocks of 4 Kbytes.

Address H'00000000

< User MAT >

4 kbytes Ã 8

32 kbytes

Erase block

EB0

to

*

EB7

EB8

64 kbytes

64 kbytes

EB9

EB10

Last address of 256-kbyte product H'0003FFFF

64 kbytes

64 kbytes

EB11

EB12

Last address of 384-kbyte product H'0005FFFF

64 kbytes

64 kbytes

EB13

EB14

Last address of 512-kbyte product H'0007FFFF

64 kbytes

Note: * RAM emulation can be performed in the eight 4-kbyte blocks.

Figure 20.4 Block Division of User MAT

Rev. 3.00 Oct. 06, 2008 Page 804 of 1080

REJ09B0230-0300

EB15

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