Intel IQ31244 Instrukcja Użytkownika Pobierz pdf (Strona 16)

Intel

IQ31244 Customer Reference Board

16 User’s Manual

3.0 Intel

80321 I/O Processor

The Intel

80321 I/O Processor is based on the Intel XScale

micro-architecture core (compliant

with ARM* architecture). The on-board 80321 processor supports 64-bit applications with

operating frequency of up to 100 MHz. The processor operates in conventional PCI mode or in

PCI-X mode as defined by the PCI-X Addendum to the PCI Local Bus Specification, Revision 1.0a.

The processor has the following features:

• Intel XScale

core

• PCI Local Memory Bus Address Translation Unit (ATU)

• Memory controller unit

• Peripheral Bus Interface (PBI)

• Application accelerator unit

• Two I

C bus interface units

• Two DMA channels

• Performance monitoring unit

• Synchronous serial port unit

• Messaging unit

• Eight general-purpose I/O ports

The 80321 block diagram is shown in Figure 3.

1 2 ... 11 12 13 14 15 16 17 18 19 20 21 ... 29 30

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