HD64F3437TF16 Datasheet, PDF(530/752 Page) Hitachi Semiconductor – 12 V must not be applied to the S-mask model (single-power-supply specification), as this may permanently damage the device.

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HD64F3437TF16 Datasheet, PDF (530/752 Pages) Hitachi Semiconductor – 12 V must not be applied to the S-mask model (single-power-supply specification), as this may permanently damage the device.

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21.1.3 Block Diagram

Figure 21.1 shows a block diagram of the flash memory.

8

8

FLMCR1

FLMCR2

Internal data bus (upper)

Internal data bus (lower)

Bus interface and control section

EBR2

H'0000

H'0001

H'0002

H'0003

H'0004

H'0005

On-chip flash memory

(60 kbytes)

H'F77C

H'F77E

H'F77D

H'F77F

Upper byte

(even address)

Lower byte

(odd address)

Legend:

FLMCR1:

FLMCR2:

EBR2:

Flash memory control register 1

Flash memory control register 2

Erase block register 2

Figure 21.1 Flash Memory Block Diagram

Operating MD1

mode

MD0

501

▷