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1.7 M3A-HS85 Memory Mapping
Rev.1.04
2008.07.10
1-9
REJ10J1564-0104
1
CS0 space
CS1 space
CS2 space
CS3 space
CS4 space
CS5 space
CS6 space
CS7 space
Reserved
Logical space of the SH7285
MCU mode 0, 1
(On-chip ROM disabled mode)
H'0000 0000
H'0400 0000
H'0800 0000
H'0C00 0000
H'1000 0000
H'1400 0000
H'1800 0000
H'1C00 0000
H'03FF FFFF
H'0BFF FFFF
H'0FFF FFFF
H'13FF FFFF
M3A-HS85 Memory Mapping
H'07FF FFFF
User area *3
User area
User area
User area
User area
User area
User area
User area
Reserved
H'17FF FFFF
H'1BFF FFFF
H'0000 0000
H'0400 0000
H'0800 0000
H'0C00 0000
H'1000 0000
H'1400 0000
H'1800 0000
H'1C00 0000
H'03FF FFFF
H'0CFF FFFF
H'2000 0000
H'1FFF FFFF
H'2000 0000
H'13FF FFFF
Peripheral I/O
H'FFF8 0000
H'FFF8 8000
H'FFF7 FFFF
H'FFF8 7FFF
Reserved
SDRAM mode setting
Reserved
On-chip RAM(32KB)
H'FFFC 0000
H'FFFD 0000
H'FFFB FFFF
H'FFFC FFFF
H'FFFE 0000
H'FFFD FFFF
H'FFFF FFFF
Peripheral I/O
H'FFF8 0000
H'FFF8 8000
H'FFF7 FFFF
H'FFF8 7FFF
Reserved
SDRAM mode setting
Reserved
On-chip RAM(32KB)
H'FFFC 0000
H'FFFD 0000
H'FFFB FFFF
H'FFFC FFFF
H'FFFE 0000
H'FFFD FFFF
H'FFFF FFFF
H'0BFF FFFF
H'07FF FFFF
H'17FF FFFF
H'1BFF FFFF
H'1FFF FFFF
SRAM(2MB) *1 *2 *3
SDRAM(16MB) *2
SRAM(2MB) *1 *2
SRAM(2MB) *1 *2
[Notes] *1 CS space to assign is selected according to software. CS space which can be selected at a
time is only one.
*2 It is initially not mounted.
*3 ROM for program is necessary for CS0 space.
Figure 1.7.2 Example Memory Mapping of SH7285 (MCU mode 0,1)