Datasheet
Chapter 1 MC9S12C and MC9S12GC Device Overview (MC9S12C128)
Freescale Semiconductor MC9S12C-Family / MC9S12GC-Family 25
Rev 01.24
Figure 1-5. MC9S12C32 and MC9S12GC32 User Configurable Memory Map
0x0000
0xFFFF
0xC000
0x8000
0x4000
0x0400
0xFF00
EXT
NORMAL
SINGLE CHIP
EXPANDED SPECIAL
SINGLE CHIP
VECTORS
VECTORS
0xFF00
0xFFFF
BDM
(If Active)
0xC000
0xFFFF
16K Fixed Flash EEPROM
0x8000
0xBFFF
16K Page Window
2 * 16K Flash EEPROM Pages
0x3800
0x3FFF
0x0000
0x03FF
1K Register Space
Mappable to any 2K Boundary
Mappable to any 2K Boundary
2K Bytes RAM
0x3800
The figure shows a useful map, which is not the map out of reset. After reset the map is:
0x0000–0x03FF: Register space
0x0800–0x0FFF: 2K RAM
VECTORS
Flash erase sector size is 512 bytes
PAGE MAP
0x003E
0x003F
PPAGE
The flash page 0x003E is visible at 0x4000–0x7FFF in the memory map if ROMHM = 0.
In the figure ROMHM = 1 removing page 0x003E from 0x4000–0x7FFF.