mc9s12hz256v2 Freescale Semiconductor, Inc, mc9s12hz256v2 Datasheet - Page 29

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

Figure 1-5
Freescale Semiconductor
0xC000
0x3800
0x0000
0x0400
0x0800
0x4000
0x8000
0xFF00
0xFFFF
shows the device memory map for the MC3S12HZ32 and MC93S12HN32 out of reset.
SINGLE CHIP
VECTORS
NORMAL
1
User must initialize RAM13, RAM12 and RAM11 bits to the same value as RAMHAL bit
Table 1-5. MC3S12HZ32 and MC3S12HN32 RAM mapping options
INITRM
Figure 1-5. MC3S12HZ32 and MC3S12HN32 Memory Map
0xB9
0xC0
0x00
0x39
0x40
0x79
0x80
0xF9
1
MC9S12HZ256 Data Sheet, Rev. 2.05
0xC000 - 0xC7FF
SINGLE CHIP
0xB800 - 0xBFFF
0x3800 - 0x3FFF
0x7800 - 0x7FFF
0xF800 - 0xFFFF
0x0000 - 0x07FF
0x4000 - 0x47FF
0x8000 - 0x87FF
VECTORS
RAM location
SPECIAL
0x0000
0x3FFF
0x7FFF
0xBFFF
0xC000
0xFFFF
0xFFFF
0x03FF
0x3800
0xFF00
0x4000
0x8000
Reserved location
0xC800 - 0xEFFF
0xD000 - 0xF7FF
0x8800 - 0xAFFF
0x9000 - 0xB7FF
0x0800 - 0x2FFF
0x1000 - 0x37FF
0x4800 - 0x6FFF
0x5000 - 0x77FF
(no ROM access)
Chapter 1 MC9S12HZ256 Device Overview
See table below for mapping options
1K Register Space
Mappable to any 2K Boundary
2K Bytes RAM
0.5K, 1K, 2K or 4K Protected Sector
16K Fixed ROM
16K Page Window
Two * 16K ROM Pages
16K Fixed ROM
2K, 4K, 8K or 16K Protected Boot Sector
BDM
(If Active)
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