Datasheet

Chapter 1 MC9S12E256 Device Overview (MC9S12E256DGV1)
MC9S12E256 Data Sheet, Rev. 1.10
26 Freescale Semiconductor
Figure 1-2. MC9S12E256 User Configurable Memory Map
VECTORS
0x0000
0xFFFF
0xC000
0x8000
0x4000
0x0400
0xFF00
EXT
NORMAL
SINGLE CHIP
EXPANDED SPECIAL
SINGLE CHIP
0xFF00
0xFFFF
BDM
(If Active)
0xC000
0xFFFF
16K Fixed Flash EEPROM
2K, 4K, 8K or 16K Protected Boot Sector
0x8000
0xBFFF
16K Page Window
sixteen * 16K Flash EEPROM Pages
0x4000
0x7FFF
16K Bytes RAM
Mappable to any 16K Boundary
0x0000
0x03FF
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:
0x0000–0x03FF: Register Space
0x0000–0x3FFF: 16K RAM (only 15K RAM visible 0x0400–0x3FFF)
VECTORS
VECTORS