HD64F3642AHV Datasheet, PDF(172/551 Page) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

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HD64F3642AHV Datasheet, PDF (172/551 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

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Section 6 ROM

6.8 Flash Memory PROM Mode (H8/3644F, H8/3643F, and H8/3642AF)

6.8.1 PROM Mode Setting

The H8/3644F, H8/3643F, and H8/3642AF, in which the on-chip ROM is flash memory, have a

PROM mode as well as the on-board programming modes for programming and erasing flash

memory. In PROM mode, the on-chip ROM can be freely programmed using a general-purpose

PROM programmer.

6.8.2 Memory Map

Figure 6.17 shows the memory map in PROM mode.

MPU mode

H'0000

H8/3644F

PROM mode

H'0000

On-chip ROM area

H'7FFF*

â1â output

H'7FFF*

H'1FFFF

Note: * This example applies to the H8/3644F. This address

is H'5FFF in the H8/3643F, and H'3FFF in the H8/3642AF.

Figure 6.17 Memory Map in PROM Mode

Rev. 6.00 Sep 12, 2006 page 150 of 526

REJ09B0326-0600

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