HD6437020 Datasheet, PDF (143/507 Pages) Hitachi Semiconductor – SuperH™ RISC engine

Logical address
space
H'7000000
Shadow
H'73FFFFF
H'7400000
Shadow
H'77FFFFF
H'7800000
Shadow
H'7BFFFFF
H'7C00000
Shadow
Actual
space
External
memory
space
(4 Mbytes)
• Valid
addresses
A21–A0
(A23 and A22
not output)
• CS7 valid
H'7FFFFFF
8-bit space
Logical address
space
H'F000000
H'F0003FF
Shadow
Shadow
Shadow
Actual
space
Shadow
Shadow
H'FFFFC00
H'FFFFFFF
Shadow
32-bit space
• On-chip
RAM space
1 Kbytes,
• Valid
addresses
A9–A0
(A23–A10
not output)
• CS7 not
valid
Figure 8 10 Memory Map of Area 7
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