HD6432345 Datasheet, PDF (579/907 Pages) Hitachi Semiconductor – H8S/2345 F-ZTAT Hardware Manual

Table 17.13 Flash Memory Area Divisions
Addresses
H'FFEC00–H'FFEFFF
Block Name
RAM area 1 kbyte
Bit 2
RAMS
0
H'000000–H'0003FF EB0 (1 kbyte)
1
H'000400–H'0007FF EB1 (1 kbyte)
1
H'000800–H'000BFF EB2 (1 kbyte)
1
H'000C00–H'000FFF EB3 (1 kbyte)
1
*: Don’t care
Bit 1
RAM1
*
0
0
1
1
Bit 0
RAM0
*
0
1
0
1
Description
RAM emulation not
selected
RAM emulation
selected
To use RAM for flash memory emulation, set the RAME bit of SYSCR to 1.
Flash memory area
H'000000
H'0003FF
H'000400
H'0007FF
H'000800
H'000BFF
H'000C00
H'000FFF
H'001000
H'01FFFF
EB0
Emulation block
EB1
EB2
EB3
EB.. 4
...
...
...
.....
...
EB9
RAM area
Overlap RAM
(1 kbyte)
RAM
(3 kbytes)
H'FFEC00
H'FFEFFF
H'FFF000
H'FFFBFF
Figure 17.14 Example of Overlap Between Flash Memory Area and RAM Area
(When RAMS = 1, RAM1 = 0, and RAM0 = 1)
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