Vmebus mapping, Vmebus master map, Vmebus mapping -20 – Motorola MVME2300 Series User Manual

Page 44: Vmebus master map -20, Figure 1-2. vmebus master mapping -20, 1vmebus mapping

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Board Description and Memory Maps

VMEbus Mapping

The processor can access any address range in the VMEbus with the help
of the Universe ASIC’s address translation capabilities. The Processor
Memory Map section shows the recommended mapping.

VMEbus Master Map

The figure below illustrates how VMEbus master mapping is
accomplished. (Note that for MVME2300 series boards, RAM size is
limited to 128MB.)

Figure 1-2. VMEbus Master Mapping

VMEBUS

11553.00 9609

VME A24

VME A16

VME A24

VME A16

VME A24

VME A16

VME A24

VME A16

PROGRAMMABLE

SPACE

PCI MEMORY

PROCESSOR

PCI MEMORY

SPACE

PCI/ISA

MEMORY SPACE

PCI

I/O SPACE

MPC

RESOURCES

NOTE 1

NOTE 2

NOTE 3

ONBOARD

MEMORY