MAC7200 datasheet(195/976 Pages) FREESCALE

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Shadow Block Memory Map

MAC7200 Microcontroller Family Reference Manual, Rev. 2

Freescale Semiconductor

117

NOTE

Accesses to areas not mapped will produce a Prefetch or Data Abort

exception (depending on the access type).

9.13

Shadow Block Memory Map

The 32K Shadow Block is always available at FLASH_BASE + $00F0 0000 (when the Flash is available

in the memory map). In addition, when resetting into PBL mode, it is mirrored at address $0000 0000.

When the Flash Main Array is not available in the memory map (for security reasons), the Shadow Block

is also unavailable.

Table 9-15. MAC72x2 Flash Main Array Memory Map

Function

Partition (Size)

Block (Size)

Address Offset

LAS

Partition 0 (256K)

LAS Block 0 (128K)

$0000 0000

$0001 FFFF

LAS Block 1 (128K)

$0002 0000

$0003 FFFF

MAS

Partition 1 (32K)

MAS Block 0 (16K)

$0004 0000

$0004 3FFF

MAS Block 1 (16K)

$0004 4000

$0004 7FFF

Partition 2 (32K)

MAS Block 2 (16K)

$0004 8000

$0004 BFFF

MAS Block 3 (16K)

$0004 C000

$0004 FFFF

MAS

—

Not Mapped on MAC72x2

$0005 0000

$0007 FFFF

HAS

—

Not Mapped on MAC72x2

$0008 0000

$000F FFFF

—

Not Mapped

$0010 0000

$00EF FFFF

—

Shadow Block (32K)

$00F0 0000

$00F0 7FFF

Table 9-16. Shadow Block Memory Map1

Address Offset

Function

$0000 0000

$0000 7DDF

Shadow Block (User Area)

$0000 7DE0

System Censor Word

$0000 7DE8

LML Register Shadow

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