Device User Guide — 9S12DT128DGV2/D V02.15
31
Freescale Semiconductor
Figure 1-2 MC9S12DT128 Memory Map
$C000 – $FFFF
Fixed Flash EEPROM array
incl. 0.5K, 1K, 2K or 4K Protected Sector at end
and 256 bytes of Vector Space at $FF80
– $FFFF
16384
Table 1-1 Device Memory Map
Address
Module
Size
(Bytes)
$0000
$FFFF
$C000
$8000
$4000
$0400
$0800
$1000
$2000
$FF00
EXT
NORMAL
SINGLE CHIP
EXPANDED
SPECIAL
SINGLE CHIP
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
eight * 16K Flash EEPROM Pages
$4000
$7FFF
16K Fixed Flash EEPROM
0.5K, 1K, 2K or 4K Protected Sector
$2000
$3FFF
8K Bytes RAM
Mappable to any 8K Boundary
$0800
$0FFF
2K Bytes EEPROM
Mappable to any 2K Boundary
$0000
$03FF
1K Register Space
Mappable to any 2K Boundary
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)