HD64F2168 Datasheet, PDF (656/874 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer

20.1.4 Block Division
The user MAT is divided into 64 kbytes (three blocks for H8S/2168, five blocks for H8S/2167,
seven blocks for H8S/2166), 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 EB15 is specified when erasing.
Rev. 3.00, 03/04, page 616 of 830