Fujitsu FR20 ユーザーズマニュアル
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Figure 21.1-4 Memory Map and Sector construction (MB91F192)
Table 21.1-2 Sector address table (MB91F192)
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
SA10
000F4002-3h to 000F7FFE-Fh (LSB side 16-bit)
Bit15 to 00
8 Kbytes
SA11
000F8002-3h to 000FFFFE-Fh (LSB side 16-bit)
Bit15 to 00
16 Kbytes
*1: The mounted flash memory is little endian, but it is converted to big endian by the FR-CPU interface circuit. This
conversion function does not work during access by the ROM writer, so mapping is different from CPU mode.
SA5(16Kbyte)
SA11(16Kbyte)
SA4(8Kbyte)
SA10(8Kbyte)
SA3(8Kbyte)
SA9(8Kbyte)
SA2(32Kbyte)
SA8(32Kbyte)
SA0(64Kbyte) SA6(64Kbyte)
31 16
0
15
FFFFFFFF
H
000FFFFF
H
000A0000
H
00080800
H
000007C0
H
00000000
H
000FFFFC-D
H
000F8000-1
H
000F4000-1
H
000E0000-1
H
000C0000-1
H
000A0000-1
H
000FFFFE-F
H
000F4002-3
H
000E0002-3
H
000C0002-3
H
000A0002-3
H
00080000
H
000F0000-1
H
000F0002-3
H
SA1(64Kbyte)
SA7(64Kbyte)
000F8002-3
H
MSB side 16bit
LSB side 16bit
Flash memory region
Internal RAM region
Memory map
Sector construction (SA=Sector address)
Status register