Motorola MVME2300 Series 用户手册

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页码 282
Programming Model
http://www.motorola.com/computer/literature
1-11
1
Processor PREP Memory Map
The Raven/Falcon chip set can be programmed for PREP-compatible 
memory map. The following table shows the PREP memory map of the 
MVME2300 series from the point of view of the processor.
Notes
1. Programmable via Falcon chip set. For the MVME2300 series, 
RAM size is limited to 128MB and ROM/Flash to 4MB.
2. Programmable via Raven ASIC.
3. The actual size of each ROM/Flash bank may vary.
Table 1-5.  PREP Memory Map Example
Processor Address
Size
Definition
Notes
Start
End
0000 0000
top_dram
dram_size
System Memory (onboard DRAM)
1
8000 0000
BFFF FFFF
1G
Zero-Based PCI I/O Space:
0000 0000 - 3FFFF FFFF
2
C000 0000
FCFF FFFF
1G - 48M
Zero-Based PCI/ISA Memory Space: 
0000 0000 - 3CFFFFFF
2, 5
FD00 0000
FEF7 FFFF
40.5M
Reserved
FEF8 0000
FEF8 FFFF
64K
Falcon Registers
FEF9 0000
FEFE FFFF
384K
Reserved
FEFF 0000
FEFF FFFF
64K
Raven Registers
6
FF00 0000
FF7F FFFF
8M
ROM/Flash Bank A
1, 3
FF80 0000
FF8F FFFF
1M
ROM/Flash Bank B
1, 3
FF90 0000
FFEF FFFF
6M
Reserved
FFF0 0000
FFFF FFFF
1M
ROM/Flash Bank A or Bank B
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