HD6433044 Datasheet, PDF (581/867 Pages) Hitachi Semiconductor – Hitachi Single-Chip Microcomputer

18.4.4 Block Diagram
Figure 18-7 shows a block diagram of the flash memory.
8
Internal data bus (upper)
8
Internal data bus (lower)
FLMCR
Bus interface and control section
EBR1
EBR2
H'00000
H'00001
H'00002
H'00003
H'00004
H'00005
On-chip flash memory
(128 kbytes)
H'1FFFC
H'1FFFD
H'1FFFE
H'1FFFF
Upper byte
Lower byte
(even address) (odd address)
Legend
FLMCR: Flash memory control register
EBR1: Erase block register 1
EBR2: Erase block register 2
Operating
mode
MD₂
MD₁
MD₀
Figure 18-7 Flash Memory Block Diagram
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