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2.9 Processor(MPC 860/855)
The MPC860 PowerQUICC is a versatile one-chip integrated microprocessor and peripheral combination that
can be used in a variety of controller applications, excelling particularly in communications and networking
products.
The PowerQUICC can be described as a next-generation MC68360 QUICC for network and data
communication applications, providing higher performance in all areas of device operation including flexibility,
extensions in capability, and integration.
The MPC860 PowerQUICC, like the MC68360 QUICC, integrates two processing blocks. One block is the
Embedded PowerPC Core and the second block is a Communication Processor Module (CPM) that closely
resembles the MC68360 CPM. The CPM supports four serial communications controllers (SCCs) on the
device; however, there are actually eight serial channels -- four SCCs, two serial management controllers
(SMCs), one serial peripheral interface (SPI) and one I
lower power consumption than traditional architectures because the CPM off-loads peripheral tasks from the
Embedded PowerPC Core.
2.10
Flash ROM
Flash ROM's selectably used in AP as below.
2
C interface. This dual-processor architecture provides
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