MC9S12E256 Datasheet, PDF (26/602 Pages) Freescale Semiconductor, Inc – HCS12 Microcontrollers

Chapter 1 MC9S12E256 Device Overview (MC9S12E256DGV1)
0x0000
0x0400
0x0000 1K Register Space
0x03FF Mappable to any 2K Boundary
0x4000
0x4000 16K Bytes RAM
0x8000
EXT
0xC000
Mappable to any 16K Boundary
0x7FFF
0x8000 _{16K Page Window}
sixteen * 16K Flash EEPROM Pages
0xBFFF
0xC000 _{16K Fixed Flash EEPROM}
0xFF00
0xFFFF
VECTORS
NORMAL
SINGLE CHIP
VECTORS
EXPANDED
VECTORS
SPECIAL
SINGLE CHIP
0xFFFF ^{2K, 4K, 8K or 16K Protected Boot Sector}
0xFF00 _BDM
(If Active)
0xFFFF
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)
Figure 1-2. MC9S12E256 User Configurable Memory Map
MC9S12E256 Data Sheet, Rev. 1.08
26
Freescale Semiconductor