Motorola MVME2300 Series manual Processor Prep Memory Map, Prep Memory Map Example, Bfff Ffff

Models: MVME2300 Series

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Programming Model

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.

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:

2

 

 

 

0000 0000 - 3FFFF FFFF

 

 

 

 

 

 

C000 0000

FCFF FFFF

1G - 48M

Zero-Based PCI/ISA Memory Space:

2, 5

 

 

 

0000 0000 - 3CFFFFFF

 

 

 

 

 

 

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

4

 

 

 

 

 

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.

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Motorola MVME2300 Series manual Processor Prep Memory Map, Prep Memory Map Example, Bfff Ffff