© MOTOROLA 2003

MC9S12K-Family

8

Rev 6.0, 21-Oct-03

Memory Configurations

Figure 3 MC9S12Kx256 User Configurable Memory Map

$0000

$FFFF

$C000

$8000

$4000

$0400

$1000

$FF00

EXT

NORMAL

SINGLE CHIP

EXPANDED

SPECIAL

SINGLE CHIP

VECTORS

VECTORS

VECTORS

$FF00

$FFFF

BDM

(If Active)

$C000

$FFFF

16K Fixed Flash EEPROM

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

$8000

$BFFF

16K Page Window

16 x 16K Flash EEPROM Pages

$4000

$7FFF

16K Fixed Flash EEPROM

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

$1000

$3FFF

$0000

$0FFF

4K Bytes EEPROM

Mappable to any 4K Boundary

$0000

$03FF

1K Register Space

Mappable to any 2K Boundary

Mappable to any 16K Boundary

12K Bytes RAM

Initially overlapped by register space

Alignable to top ($1000 - $3FFF)

or bottom ($0000 - $2FFF)

The figure shows a useful map, which is not the map out of reset. After reset the map is:

$0000 - $03FF: Register Space

$1000 - $3FFF: 12K RAM

$0000 - $0FFF: 4K EEPROM (1K $0000 - $03FF not visible)

Freescale Semiconductor, Inc.

For More Information On This Product,

Go to: www.freescale.com