Intel IQ80321 User Manual

Intel

Board Manual

31

Hardware Reference Section

3

3.1

Functional Diagram

shows the functional block for the IQ80321.

Figure 5.

Functional Block Diagram

A9517-01

Intel

®

80321

I/O Processor

Intel

®

82544

Giga Ethernet

Logic

Analyzer
Interface

Secondary PCI-X

Expansion

PC1600 DDR Memory

Memory Battery Backup

FLASH

ROM

Secondary PCI-X Bus 64-bits, 66 MHz

Primary PCI-X Bus 64-bits, 133 MHz

FET Quick Switches

PCI-X

Bridge

DDR Memory Bus

Logic

Analyzer
Interface

16550
UART

Rotary
Switch

Hex

Disp

IOP Peripheral Bus