mcf51ac256a Freescale Semiconductor, Inc, mcf51ac256a Datasheet - Page 45
mcf51ac256a
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mcf51ac256a
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Mcf51ac Flexis
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Freescale Semiconductor, Inc
Datasheet
1.MCF51AC256A.pdf
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Chapter 4
Memory
4.1
As shown in
and flash program memory for nonvolatile data storage, plus I/O and control/status registers.
Regions within the memory map are subject to restrictions with regard to the types of CPU accesses
allowed. These are outlined in
(and would typically generate a system reset in response to the error termination).
Freescale Semiconductor
CPU Address
Note: MCF51AC128A has 32 KB RAM.
0x(00)BF_FFFF
0x(FF)FF_7FFF
0x(FF)FF_FFFF
0x(00)03_FFFF
0x(00)7F_FFFF
0x(00)C0_000F
0x(FF)FF_8000
0x(00)80_7FFF
0x(00)C0_0000
0x(00)C0_0010
0x(00)00_0000
0x(00)04_0000
0x(00)80_0000
0x(00)80_8000
MCF51AC256 Series Memory Map
Figure
MCF51AC256 ColdFire Integrated Microcontroller Reference Manual, Rev. 5
4-1, on-chip memory in the MCF51AC256 series microcontrollers consist of RAM
ColdFire Rapid GPIO
MCF51AC256A/B
Slave Peripherals
Flash memory
Reserved
Reserved
Reserved
256 KB
32 KB
Figure 4-1. MCF51AC256 Series Memory Maps
RAM
Table
4-1. Non-supported access types terminate the bus cycle with an error
CPU Address
0x(FF)FF_FFFF
0x(00)BF_FFFF
0x(FF)FF_7FFF
0x(00)7F_FFFF
0x(00)01_FFFF
0x(00)80_3FFF
0x(00)C0_0000
0x(00)C0_000F
0x(00)C0_0010
0x(FF)FF_8000
0x(00)00_0000
0x(00)02_0000
0x(00)80_0000
0x(00)80_4000
ColdFire Rapid GPIO
MCF51AC128A/C
Slave Peripherals
Flash memory
Reserved
Reserved
Reserved
128 KB
16 KB*
RAM
4-1
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