MC9S12DT128B Device User Guide — V01.07

Table 1-1 Device Memory Map

Address

Module

Size

(Bytes)

 

 

 

 

 

 

Fixed Flash EEPROM array

 

$C000 – $FFFF

incl. 0.5K, 1K, 2K or 4K Protected Sector at end

16384

 

and 256 bytes of Vector Space at $FF80 $FFFF

 

 

 

 

Figure 1-2 MC9S12DT128B Memory Map

$0000

 

$0400

 

$0800

 

$1000

 

$2000

 

$4000

 

$8000

 

$C000

 

$FF00

VECTORS

$FFFF

 

 

NORMAL

 

SINGLE CHIP

EXT

VECTORS

EXPANDED

VECTORS

SPECIAL

SINGLE CHIP

$0000

$03FF

$0800

$0FFF

$2000

$3FFF

$4000

$7FFF

$8000

$BFFF

$C000

$FFFF

$FF00

$FFFF

1K Register Space

Mappable to any 2K Boundary 2K Bytes EEPROM

Mappable to any 2K Boundary

8K Bytes RAM

Mappable to any 8K Boundary

0.5K, 1K, 2K or 4K Protected Sector

16K Fixed Flash EEPROM

16K Page Window

eight * 16K Flash EEPROM Pages

16K Fixed Flash EEPROM

2K, 4K, 8K or 16K Protected Boot Sector

BDM

(If Active)

The address does not show the map after reset, but a useful map. After reset the map is: $0000 – $03FF: Register Space

$0000 – $1FFF: 8K RAM

$0000 – $07FF: 2K EEPROM (not visible)

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Motorola MC9S12DB128B, MC9S12DJ128B, MC9S12DG128B manual MC9S12DT128B Memory Map