Datasheet

XIO2001
www.ti.com SCPS212G –MAY 2009–REVISED DECEMBER 2012
XIO2001 PCI Express™ to PCI Bus Translation Bridge
Check for Samples: XIO2001
1 Introduction
1.1 Features
1
234
• Full ×1 PCI Express Throughput • Support for Six Subordinate PCI Bus Masters
with Internal Configurable, 2-Level
• Fully Compliant with PCI Express to PCI/PCI-X
Prioritization Scheme
Bridge Specification, Revision 1.0
• Two Package Options: 12 mm × 12 mm and 7
• Fully Compliant with PCI Express Base
mm × 7 mm
Specification, Revision 2.0
• Internal PCI Arbiter Supporting Up to 6 External
• Fully Compliant with PCI Local Bus
PCI Masters
Specification, Revision 2.3
• Advanced PCI Express Message Signaled
• PCI Express Advanced Error Reporting
Interrupt Generation for Serial IRQ Interrupts
Capability Including ECRC Support
• External PCI Bus Arbiter Option
• Support for D1, D2, D3
hot
, and D3
cold
• PCI Bus LOCK Support
• Active-State Link Power Management Saves
Power When Packet Activity on the PCI • JTAG/BS for Production Test
Express Link is Idle, Using Both L0s and L1
• PCI-Express CLKREQ Support
States
• Clock Run and Power Override Support
• Wake Event and Beacon Support
• Six Buffered PCI Clock Outputs (25 MHz, 33
• Error Forwarding Including PCI Express Data
MHz, 50 MHz, or 66 MHz)
Poisoning and PCI Bus Parity Errors
• PCI Bus Interface 3.3-V and 5.0-V (25 MHz or 33
• Utilizes 100-MHz Differential PCI Express
MHz only at 5.0 V) Tolerance Options
Common Reference Clock or 125-MHz Single-
• Integrated AUX Power Switch Drains V
AUX
Ended, Reference Clock
Power Only When Main Power Is Off
• Optional Spread Spectrum Reference Clock is
• Five 3.3-V, Multifunction, General-Purpose I/O
Supported
Terminals
• Robust Pipeline Architecture To Minimize
• Memory-Mapped EEPROM Serial-Bus
Transaction Latency
Controller Supporting PCI Express Power
• Full PCI Local Bus 66-MHz/32-Bit Throughput
Budget/Limit Extensions for Add-In Cards
• Compact Footprint, Lead-Free 144-Ball, ZAJ
MicroStar™ BGA, Lead-Free 169-Ball ZGU
MicroStar BGA, and PowerPad™ HTQFP 128-
Pin PNP Package
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
2PowerPad, MicroStar are trademarks of Texas Instruments.
3PCI Express is a trademark of PCI-SIG.
4All other trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date. Products conform to
Copyright © 2009–2012, Texas Instruments Incorporated
specifications per the terms of the Texas Instruments standard warranty. Production
processing does not necessarily include testing of all parameters.