Fujitsu MB91191 ユーザーズマニュアル
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CHAPTER 21 Flash Memory
■
Memory Map and Sector Construction
Address mapping of the flash memory differs when accessed from the FR-CPU and by the ROM writer
*1
.
This shows the mapping at accessing from the CPU.
Figure 21.1-3 Memory map and sector construction (MB91F191A)
Table 21.1-1 Sector address table (MB91F191A)
Sector address
Address range
Corresponding
bit position
Sector capacity
SA0
000A0000-1h to 000BFFFC-Dh (MSB side 16-bit)
Bit31 to 16
64 Kbytes
SA1
000C0000-1h to 000DFFFC-Dh (MSB side 16-bit)
Bit31 to 16
64 Kbytes
SA2
000E0000-1h to 000EFFFC-Dh (MSB side 16-bit)
Bit31 to 16
32 Kbytes
SA3
000F0000-1h to 000F3FFC-Dh (MSB side 16-bit)
Bit31 to 16
8 Kbytes
SA4
000F4000-1h to 000F7FFC-Dh (MSB side 16-bit)
Bit31 to 16
8 Kbytes
SA5
000F8000-1h to 000FFFFC-Dh (MSB side 16-bit)
Bit31 to 16
16 Kbytes
SA6
000A0002-3h to 000BFFFE-Fh (LSB side 16-bit)
Bit15 to 00
64 Kbytes
SA7
000C0002-3h to 000DFFFE-Fh (LSB side 16-bit)
Bit15 to 00
64 Kbytes
SA8
000E0002-3h to 000EFFFE-Fh (LSB side 16-bit)
Bit15 to 00
32 Kbytes
SA9
000F0002-3h to 000F3FFE-Fh (LSB side 16-bit)
Bit15 to 00
8 Kbytes
MSB side 16bit
LSB side 16bit
SA4(16Kbyte)
SA9(16Kbyte)
SA3(8Kbyte)
SA8(8Kbyte)
SA2(8Kbyte)
SA7(8Kbyte)
SA1(32Kbyte)
SA6(32Kbyte)
Flash memory region
Internal RAM region
SA0(63Kbyte)
SA5(63Kbyte)
Memory map
Sector construction (SA=Sector address)
31 16
0
15
Status register
FFFFFFFF
H
000FFFFF
H
000C0800
H
000C0000
H
000007C0
H
00000000
H
000FFFFC-D
H
000F8000-1
H
000F4000-1
H
000F0000-1
H
000E0000-1
H
000C0800-1
H
000FFFFE-F
H
000F8002-3
H
000F4002-3
H
000F0002-3
H
000E0002-3
H
000C0802-3
H