16-bit Microcontroller HCS12H Family, Rev. 11.1

24

Freescale Semiconductor

PRELIMINARY

Memory Maps

Figure 11. MC3S12HZ(N)32 User Configurable Memory Map

$0000

$FFFF

$C000

$8000

$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 Fixed Flash EEPROM

$0000

$03FF

1K Register Space

Mappable to any 2K Boundary

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

$0000 - $03FF: Register Space

$0800 - $0FFF: 2K RAM

$0400

$0800

$1000

$0800

$0FFF

2K Bytes RAM

Mappable to any 2K Boundary