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2. The flash memory area to overlap is selected by RAMER from a 4-kbyte area among one of
the EB0 to EB7 blocks.
3. The overlapped RAM area can be accessed from both the flash memory addresses and RAM
addresses.
Notes: 1. When the RAMS bit in RAMER is set to 1, program/erase protection is enabled for all
flash memory blocks (emulation protection). In this state, setting the P or E bit in
FLMCR1 to 1 does not cause a transition to program mode or erase mode.
2. A RAM area cannot be erased by execution of software in accordance with the erase
algorithm.
3. Block area EB0 contains the vector table. When performing RAM emulation, the
vector table is needed in the overlap RAM.
4. This function is not supported by the H8S/2367 or H8S/2366.
H'00000
H'01000
H'02000
H'03000
H'04000
H'05000
H'06000
H'07000
H'08000
H'5FFFF
384-kbyte flash memory
EB0
EB1
EB2
EB3
EB4
EB5
EB6
EB7
Flash memory
EB8 to EB13
Figure 19.8 Example of RAM Overlap Operation
This area can be accessed
from both the RAM area
and flash memory area
On-chip RAM
Rev. 2.00, 05/03, page 663 of 820
H'FFA000
H'FFAFFF
H'FFBFFF
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