Datasheet

Section 17 ROM

Rev.7.00 Feb. 14, 2007 page 692 of 1108

REJ09B0089-0700

17.22.6 Block Division

The user MAT is divided into 64 kbytes (seven blocks), 32 kbytes (one block), and 4 kbytes (eight

blocks) as shown in figure 17.63. The user MAT can be erased in this divided-block units and the

erase-block number of EB0 to EB15 is specified when erasing.

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

Address H'000000

Address H'07FFFF

512 kbytes

4 kbytes × 8

32 kbytes

64 kbytes

EB0

EB7

EB8

EB9

EB10

EB11

EB12

EB13

EB14

EB15

Erase block

Note: * The RAM emulation can be performed in the eight blocks of 4 kbytes.

Figure 17.63 Block Division of User MAT