MAC7200 datasheet(183/976 Pages) FREESCALE

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Normal Single Chip Mode

MAC7200 Microcontroller Family Reference Manual, Rev. 2

Freescale Semiconductor

105

Figure 9-3. MAC72x2 Memory Map Example

9.2

Normal Single Chip Mode

Normal Single Chip Mode is typically used to debug and develop application code, where a software

bootloader is not required. Booting is performed from the Flash main array, and all functionality is

available. In this mode, the following functionality is available:

•

Debug functionality (EICE, Nexus and the JTAG interface) is enabled

$0000 0000

$FFFF 0000

$0000 0020

NORMAL

SINGLE CHIP

EXPANDED

$2000 0000

External Interface

$0000 0000

$0004 FFFF

$0000 0000

$0000 001F

ARM Core Exception

Mappable

320K Bytes Flash

After reset the map is:

$0000 0000 - $0004 FFFF: 320K Flash

$4000 0000 - $4000 4FFF: 20K RAM

$FC00 0000 - $FC03 FFFF: Register Space

VECTORS

$2000 0000

$4000 0000

$6000 0000

$8000 0000

$A000 0000

$C000 0000

$E000 0000

$4000 0000

$4000 4FFF

20K Bytes RAM

Mirrored on

Mappable

$3FFF FFFF

32K Boundary

EEPROM

Table

$2000 0000

$0000 0000

$0000 001F

ARM Core Exception

Mappable

$2004 FFFF

$7C00 0000

$7C17 FFFF

1.5M Bytes Control

Table

External Interface

$2000 0000 - $3FFF FFFF: External Bus

$2000 0000 - $2004 FFFF: 320K Flash

$4000 0000 - $4000 4FFF: 20K RAM

$FC00 0000 - $FC03 FFFF: Register Space

$0000 0000 - $1FFF FFFF: External Bus

Normal Single Chip Mode

Normal Expanded Chip Mode

$4000 0000

$4000 4FFF

20K Bytes RAM

Mirrored on

32K Boundary

$0000 0000

$1FFF FFFF

Mappable

320K Bytes Flash

EEPROM

Flash, External Interface and RAM space can all be remapped in software on 512M byte boundaries

$00F0 0000 - $00F0 7FFF: 32K Shadow Block $20F0 0000 - $20F0 7FFF: 32K Shadow Block

$E000 0000

$FC10 FFFF

1.5M Bytes Control

after Reset. The ARM core exception table can not be remapped.

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