Datasheet
XIO2001
SCPS212G –MAY 2009–REVISED DECEMBER 2012
www.ti.com
List of Figures
2-1 XIO2001 ZGU MicroStar BGA Package (Bottom View)..................................................................... 13
2-2 XIO2001 ZAJ MicroStar BGA Package (Bottom View)...................................................................... 14
2-3 XIO2001 PNP PowerPad™ HTQFP Package (Top View).................................................................. 14
3-1 XIO2001 Block Diagram......................................................................................................... 22
3-2 Power-Up Sequence............................................................................................................. 23
3-3 Power-Down Sequence ......................................................................................................... 24
3-4 3-State Bidirectional Buffer...................................................................................................... 27
3-5 Type 0 Configuration Transaction Address Phase Encoding............................................................... 30
3-6 Type 1 Configuration Transaction Address Phase Encoding............................................................... 31
3-7 PCI Express ASSERT_INTX Message........................................................................................ 32
3-8 PCI Express DEASSERT_INTX Message .................................................................................... 32
3-9 PCI Express PME Message .................................................................................................... 33
3-10 Starting a Locked Sequence.................................................................................................... 34
3-11 Continuing a Locked Sequence ................................................................................................ 34
3-12 Terminating a Locked Sequence............................................................................................... 34
3-13 Serial EEPROM Application .................................................................................................... 35
3-14 Serial-Bus Start/Stop Conditions and Bit Transfers.......................................................................... 36
3-15 Serial-Bus Protocol Acknowledge.............................................................................................. 36
3-16 Serial-Bus Protocol – Byte Write ............................................................................................... 36
3-17 Serial-Bus Protocol – Byte Read............................................................................................... 37
3-18 Serial-Bus Protocol – Multibyte Read ......................................................................................... 37
6 List of Figures Copyright © 2009–2012, Texas Instruments Incorporated