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Renesas M3A-HS49 Computer Hardware User Manual

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1.7 M3A-HS49 Memory Mapping

Rev.1.0 Dec 15, 2006 1-10

REJ10J0917-0100

1

On-chip ROM(256KB)

CS1 space:64MB

Reserved

Logical space of the SH7149

MCU mode 2

(On-chip ROM enabled mode)

On-chip RAM(8KB)

On-chip Peripheral Module

H’0000 0000

H’03FF FFFF

H’0400 0000

H’07FF FFFF

H’0800 0000

H’FFFF 8FFF

H’FFFF 9000

H’FFFF AFFF

H’FFFF B000

H’FFFF BFFF

H’FFFF C000

H’FFFF FFFF

Memory Mapping

of the M3A-HS49

Reserved

On-chip RAM(8KB)

On-chip Peripheral Module

Reserved

Reserved

H’FFFF 8FFF

H’FFFF 9000

H’FFFF AFFF

H’FFFF B000

H’FFFF BFFF

H’FFFF C000

H’FFFF FFFF

CS0 space:64MB

H’0003 FFFF

H’0004 0000

H’01FF FFFF

H’0200 0000

Reserved

H’0000 0000

H’03FF FFFF

H’0400 0000

H’07FF FFFF

H’0800 0000

H’0003 FFFF

H’0004 0000

H’01FF FFFF

H’0200 0000

On-chip ROM(256KB)

User Area

*

User Area

*

Reserved

[Note]

*

:Because the address pins of SH7149 are A19 to A0, the address space that can be actually used is 1MB.

Figure1.7.3 Memory Mapping Example of SH7149 (MCU mode 2)

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