SH7729R Datasheet, PDF (205/855 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer Super RISC engine Family/SH7700 Series

MD = 1, DSP = 0
Privileged mode
MD = 0, DSP = 0
User mode
Same as SH-3
P0
When MD = 1, CPU can
change DSP flag
P1
P2
P3
P4
MD = 1, DSP = 1
Privileged DSP mode
Same as SH-3
U0
When MD = 0, user cannot
change DSP flag
Address error
MD = 0, DSP = 1
User DSP mode
When MD = 1, CPU can
P0
change DSP flag
U0
X
Y
X
Y
P1
Address error
Address range
P2
From H'A500 0000
Uxy: Address range
From H'A500 0000
P3
To H'A5FF FFFF
Address error
To H'A5FF FFFF
P4
Figure 6.1 X/Y Memory Logical Address Mapping
Rev. 5.0, 09/03, page 159 of 806