80333 Datasheet, PDF (10/75 Pages) Intel Corporation – I/O Processor

80333
Figure 1. Intel^® 80333 I/O Processor Functional Block Diagram
Intel XScale^®
Core Bus
Interface Unit
32-/64-bit DDR
Interface
Memory Controller
UART
Units
2 – I²C _16-bit
Application
Units
PBI ^{Accelerator Unit}
Interrupt/
GPIO
Unit
SMBus
PCIe x8
2-channel
DMA
Controller
IOAPIC
IOAPIC
2.7 GB/s Internal Bus (333 MHz)
Timers
ATU
Message
Unit
PCIe to PCI-X*
Bridge
PCIe to PCI-X*
Bridge
Arbiter
A PCI-X IOP-Bus (133 MHz)
Arbiter/SHPC
B PCI-X Slot Bus (133 MHz)
B4852-01
May 2005
10
Intel^® 80333 I/O Processor Datasheet
Order Number: 305433, Revision: 002
Datasheet