Memory Maps
Table 5-3. V1 ColdFire memory maps
Read
Write
Base address
Region
Byte
Word
Long
Byte
Word
Long
0x(00)00_0000
0x(00)30_0000
0x(00)80_0000
0x(00)C0_0000
0x(FF)FF_8000
0x(FF)FF_EC00
Flash
ROM
RAM
Rapid GPIO
8-bit peripherals 1
16-bit peripherals 2
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
1
Allowed access types are peripheral-specific. The peripheral bus bridge will serialize 16- and 32-bit accesses into multiple
8-bit accesses. When using 8-bit peripherals, care must be taken to ensure that all accesses are properly aligned and only
desired 8-bit locations are accessed.
2 Allowed access types are peripheral-specific. The peripheral bus bridge will serialize 32-bit accesses into multiple 16-bit
accesses. When using 16-bit peripherals, care must be taken to ensure that all accesses are properly aligned and only desired
16-bit locations are accessed.
MMA955xL Intelligent, Motion-Sensing Platform Hardware Reference Manual, Rev. 1.0
48
Freescale Semiconductor, Inc.
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