mc9s12hz256v2 Freescale Semiconductor, Inc, mc9s12hz256v2 Datasheet - Page 27

• Manufacturer Part Number: mc9s12hz256v2
• Description: Hcs12 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

Figure 1-3
Freescale Semiconductor
0xC000
0x2800
0x0000
0x0400
0x0800
0x4000
0x8000
0xFF00
0xFFFF
shows the device memory map for the MC9(3)S12HZ128 out of reset.
SINGLE CHIP
VECTORS
NORMAL
1
User must initialize RAM13 bit to the same value as RAMHAL bit
INITRM
0xB9
0xC0
0x00
0x39
0x40
0x79
0x80
0xF9
Table 1-3. MC9(3)S12HZ128 RAM mapping options
EXPANDED*
VECTORS
1
EXT
Figure 1-3. MC9(3)S12HZ128 Memory Map
MC9S12HZ256 Data Sheet, Rev. 2.05
0xC000 - 0xD7FF
0xA800 - 0xBFFF
0xE800 - 0xFFFF
0x2800 - 0x3FFF
0x6800 - 0x7FFF
0x0000 - 0x17FF
0x4000 - 0x57FF
0x8000 - 0x97FF
SINGLE CHIP
RAM location
VECTORS
SPECIAL
* Assuming that a ‘0’ was driven onto port K7 during reset to normal expanded mode
^ EEPROM is not available in ROM device
(no Flash/ROM/EEPROM access)
0x0000
0x0000
0x3FFF
0x7FFF
0xBFFF
0xC000
0xFFFF
0xFFFF
0x03FF
0x07FF
0x2800
0xFF00
0x4000
0x8000
Reserved location
0xD800 - 0xEFFF
0xD000 - 0xE7FF
0x1800 - 0x2FFF
0x5800 - 0x6FFF
0x9800 - 0xAFFF
0x9000 - 0xA7FF
0x1000 - 0x27FF
0x5000 - 0x67FF
Chapter 1 MC9S12HZ256 Device Overview
See table below for mapping options
1K Register Space
Mappable to any 2K Boundary
2K Bytes EEPROM^
1K overlapped by register space
Mappable to any 2K Boundary
6K Bytes RAM
0.5K, 1K, 2K or 4K Protected Sector
16K Fixed Flash or ROM
16K Page Window
Eight * 16K Flash or ROM Pages
16K Fixed Flash or ROM
2K, 4K, 8K or 16K Protected Boot Sector
BDM
(If Active)
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