18.4.4 Block Diagram
Figure 18-7 shows a block diagram of the flash memory.
Figure 18-7 Flash Memory Block Diagram
FLMCR
EBR1
EBR2
H'00000
H'00002
H'00004
H'1FFFC
H'1FFFE
H'00001
H'00003
H'00005
H'1FFFD
H'1FFFF
MD
2
MD
1
MD
0
Internal data bus (upper)
Internal data bus (lower)
Bus interface and control section
Operating
mode
On-chip flash memory
(128 kbytes)
Upper byte
(even address)
Lower byte
(odd address)
Legend
FLMCR:
EBR1:
EBR2:
Flash memory control register
Erase block register 1
Erase block register 2
8
8
572
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