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®
i960
RM/RN I/O Processor Overview
This chapter describes the features and operation of the processor on the IQ80960RM/RN
platform. For more detail, refer to the i960
®
Figure 4-1.
i960
RM/RN I/O Processor Block Diagram
Local Memory
(SDRAM, Flash)
Messaging
IQ80960RM/RN Evaluation Board Manual
80960 Core
Processor
Memory
Controller
Interface
64-bit Internal Bus
Address
Two DMA
Translation
Unit
Channels
Unit
64-bit/32-bit Primary PCI Bus
Performance
Monitoring
Unit
®
RM/RN I/O Processor Developer's Manual.
2
I
C Serial Bus
Bus
2
I
C Bus
Interface
Unit
PCI to PCI
Bridge
Internal
Application
Arbitration
Accelerator
Address
One DMA
Translation
Channel
Unit
64-bit/32-bit Secondary PCI Bus
Secondary
PCI
Arbitration
4
4-1
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