mc9s12hz256v2 Freescale Semiconductor, Inc, mc9s12hz256v2 Datasheet - Page 28
mc9s12hz256v2
Manufacturer Part Number
mc9s12hz256v2
Description
Hcs12 Microcontrollers
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.MC9S12HZ256V2.pdf
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Chapter 1 MC9S12HZ256 Device Overview
Figure 1-4
28
0xC000
0x3000
0x0000
0x0400
0x0800
0x4000
0x8000
0xFF00
0xFFFF
shows the device memory map for the MC9(3)S12HZ64 and MC9(3)S12HN64 out of reset.
SINGLE CHIP
VECTORS
NORMAL
1
Table 1-4. MC9(3)S12HZ64 and M9S12(3)HN64 RAM mapping options
User must initialize RAM13 and RAM12 bits to the same value as RAMHAL bit
Figure 1-4. MC9(3)S12HZ64 and M9S12(3)HN64 Memory Map
INITRM
0xB9
0xC0
0x00
0x39
0x40
0x79
0x80
0xF9
1
MC9S12HZ256 Data Sheet, Rev. 2.05
0xC000 - 0xCFFF
0xB000 - 0xBFFF
0xF000 - 0xFFFF
0x0000 - 0x0FFF
0x3000 - 0x3FFF
0x4000 - 0x4FFF
0x7000 - 0x7FFF
0x8000 - 0x8FFF
SINGLE CHIP
RAM location
VECTORS
SPECIAL
(no Flash/ROM/EEPROM access)
0x0000
0x0000
0x3FFF
0x7FFF
0xBFFF
0xC000
0xFFFF
0xFFFF
0x03FF
0x07FF
0x3000
0xFF00
0x4000
0x8000
Reserved location
0xD000 - 0xEFFF
0xD000 - 0xEFFF
0x1000 - 0x2FFF
0x1000 - 0x2FFF
0x5000 - 0x6FFF
0x5000 - 0x6FFF
0x9000 - 0xAFFF
0x9000 - 0xAFFF
See table below for mapping options
1K Register Space
Mappable to any 2K Boundary
1K Bytes EEPROM^
1K overlapped by register space
4K Bytes RAM
0.5K, 1K, 2K or 4K Protected Sector
16K Fixed Flash or ROM
16K Page Window
Four * 16K Flash or ROM Pages
16K Fixed Flash or ROM
2K, 4K, 8K or 16K Protected Boot Sector
BDM
(If Active)
^ EEPROM is not available in ROM devices
Mappable to any 2K Boundary
(1K mapped twice in 2K space)
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