HD64F36022 datasheet(104/384 Pages) RENESAS

104 / 384 page

Section 7 ROM

Rev. 4.00 Sep. 23, 2005 Page 78 of 354

REJ09B0025-0400

7.1

Block Configuration

Figure 7.1 shows the block configuration of 32-kbyte flash memory. The thick lines indicate

erasing units, the narrow lines indicate programming units, and the values are addresses. The flash

memory is divided into 1 kbyte

× 4 blocks and 28 kbytes × 1 block. Erasing is performed in these

units. Programming is performed in 128-byte units starting from an address with lower eight bits

H'00 or H'80.

H'007F

H'0000

H'0001

H'0002

H'00FF

H'0080

H'0081

H'0082

H'03FF

H'0380

H'0381

H'0382

H'047F

H'0400

H'0401

H'0402

H'04FF

H'0480

H'0481

H'07FF

H'0780

H'0781

H'0782

H'087F

H'0800

H'0801

H'0802

H'08FF

H'0880

H'0881

H'0882

H'0BFF

H'0B80

H'0B81

H'0B82

H'0C7F

H'0C00

H'0C01

H'0C02

H'0CFF

H'0C80

H'0C81

H'0C82

H'0FFF

H'0F80

H'0F81

H'0F82

H'107F

H'1000

H'1001

H'1002

H'10FF

H'1080

H'1081

H'1082

H'7FFF

H'7F80

H'7F81

H'7F82

Programming unit: 128 bytes

1kbyte

Erase unit

1kbyte

Erase unit

1kbyte

Erase unit

1kbyte

Erase unit

28 kbytes

Erase unit

Figure 7.1 Flash Memory Block Configuration

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