3069RF-ZTAT Datasheet, PDF (603/1003 Pages) Renesas Technology Corp – RENESAS 16-BIT SINGLE-CHIP MICROCOMPUTER

18.2.4 Flash MAT Configuration
This LSI’s flash memory is configured by the 512-kbyte user MAT and 8-kbyte user boot MAT.
The start address is allocated to the same address in the user MAT and user boot MAT. Therefore,
when the program execution or data access is performed between two MATs, the MAT must be
switched by using FMATS.
The user MAT or user boot MAT can be read in all modes if it is in ROM valid mode. However,
the user boot MAT can be programmed only in boot mode and PROM mode.
Address H'000000
<User MAT>
<User Boot MAT>
Address H'000000
Address H'001FFF
8 kbytes
512 kbytes
Address H'07FFFF
Figure 18.3 Flash Memory Configuration
The user MAT and user boot MAT have different memory sizes. Do not access a user boot MAT
that is 8 kbytes or more. When a user boot MAT exceeding 8 kbytes is read from, an undefined
value is read.
18.2.5 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 18.4. 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.
Rev. 5.0, 09/04, page 581 of 978