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Intel NetStructure
®
MPCMM0002 Chassis Management Module
July 2007 Hardware TPS
Order Number: 309247-004US 17
Module Components—MPCMM0002 CMM
4.2 Intel
®
80321 Processor
The CPU in the MPCMM0002 CMM is an Intel
®
80321 Processor/PCI Application Bridge
with Intel
XScale
®
technology. The internal block diagram is shown in Figure 4.
This processor runs at 600 MHz and has an integrated chipset for lower power usage;
the typical power consumption of the CPU is 4 W. Other features are given in Table 2.
Figure 4. Intel
®
80321 Processor Internal Block Diagram
B3063-01
64-bit / 32-bit PCI Bus
DDR I/F
Unit
I
2
C
Serial Bus
Serial Bus
I
2
C Bus
Interface
Application
Accelerator
Performance
Monitoring
Unit
SSP
Serial Bus
Address
Translation
Unit
Intel
®
80321 I/O Processor
Two
DMA
Channels
Intel
®
XScale
®
Core
Internal Bus
PBI Unit
(Flash)
32-Bit
I/F
72-Bit
I/F
Messaging
Unit
Notes:
Intel
®
XScale
®
Microarchitecture is ARM* Architecture compliant.
* Other brands and names are the property of their respective owners.
Table 2. Processor Features (Sheet 1 of 2)
Integrated Intel XScale
®
Core
ARM* V5T Instruction Set
ARM V5E DSP Extensions
400 MHz and 600 MHz
Write Buffer, Write-back Cache