HD6433640 HITACHI [Hitachi Semiconductor], HD6433640 Datasheet - Page 125
HD6433640
Manufacturer Part Number
HD6433640
Description
H8/3644 Series Hardware Manual
Manufacturer
HITACHI [Hitachi Semiconductor]
Datasheet
1.HD6433640.pdf
(508 pages)
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6.4.4
Figure 6.7 shows a block diagram of the flash memory.
116
Legend:
FLMCR: Flash memory control register
EBR1:
EBR2:
Block Diagram
Figure 6.7 Block Diagram of Flash Memory (Example of the H8/3644F)
Erase block register 1
Erase block register 2
EBR1
EBR2
FLMCR
8
8
Internal data bus (upper)
Internal data bus (lower)
(even address)
On-chip flash memory (32 kbytes)
Bus interface/control section
Upper byte
H'7FFC
H'7FFE
H'0000
H'0002
H'0004
(odd address)
Lower byte
H'7FFD
H'7FFF
H'0001
H'0003
H'0005
Operating
mode
TEST
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