Datasheet

Section 22 ROM (H8S/2138 F-ZTAT A-Mask Version, H8S/2134 F-ZTAT A-Mask Version)

Rev. 4.00 Jun 06, 2006 page 631 of 1004

REJ09B0301-0400

Differences between Boot Mode and User Program Mode

Boot Mode User Program Mode

Entire memory erase Yes Yes

Block erase No Yes

Programming control program

Program/program-verify Erase/erase-verify

Program/program-verify

Note: * To be provided by the user, in accordance with the recommended algorithm.

Block Configuration: The flash memory is divided into two 32-kbyte blocks, two 8-kbyte blocks,

one 16-kbyte block, one 28-kbyte block, and four 1-kbyte blocks.

Address H'00000

Address H'1FFFF

1 kbyte

8 kbytes

16 kbytes

32 kbytes

28 kbytes

128 kbytes

32 kbytes

Figure 22.6 Flash Memory Block Configuration