307013-003 Datasheet, PDF (42/848 Pages) Intel Corporation – Intel I/O Controller Hub 7

Introduction
1.1
Chapter 20. High Precision Event Timers Registers
Chapter 20 provides a detailed description of all registers that reside in the multimedia
timer memory mapped register space.
Chapter 21. Serial Peripheral Interface Registers
Chapter 21 provides a detailed description of all registers that reside in the SPI
memory mapped register space.
Chapter 22. Ballout Definition
Chapter 22 provides a table of each signal and its ball assignment in the 652-mBGA
package.
Chapter 23. Electrical Characteristics
Chapter 23 provides all AC and DC characteristics including detailed timing diagrams.
Chapter 24. Package Information
Chapter 24 provides drawings of the physical dimensions and characteristics of the
652-mBGA package.
Chapter 25. Testability
Chapter 25 provides detail about the implementation of test modes provided in the
ICH7.
Overview
The ICH7 provides extensive I/O support. Functions and capabilities include:
• PCI Express* Base Specification, Revision 1.0a support (Desktop and Mobile Only)
• PCI Local Bus Specification, Revision 2.3 support for 33 MHz PCI operations
(supports up to six Req/Gnt pairs; three pairs on Ultra Mobile).
• ACPI Power Management Logic Support
• Enhanced DMA controller, interrupt controller, and timer functions (Desktop and
Mobile Only)
• Integrated Serial ATA host controller with independent DMA operation on four ports
(Desktop only) or two ports (Mobile Only) and AHCI (ICH7R, ICH7DH, ICH7-M, and
ICH7-M DH Only) support. (SATA not supported on Ultra Mobile)
• Integrated IDE controller supports Ultra ATA100/66/33
• USB host interface with support for eight USB ports; four UHCI host controllers;
one EHCI high-speed USB 2.0 Host controller
• Integrated LAN controller (Desktop and Mobile Only)
• System Management Bus (SMBus) Specification, Version 2.0 with additional
support for I²C devices (Desktop and Mobile Only)
• Supports Audio Codec ’97, Revision 2.3 Specification (a.k.a., AC ’97 Component
Specification, Revision 2.3) which provides a link for Audio and Telephony codecs
(up to 7 channels) (Desktop and Mobile Only)
• Supports Intel High Definition Audio
• Supports Intel^® Matrix Storage Technology (ICH7R, ICH7DH, and Mobile Only)
• Supports Intel^® Active Management Technology (Desktop and Mobile Only)
• Low Pin Count (LPC) interface
• Firmware Hub (FWH) interface support
• Serial Peripheral Interface (SPI) support (Desktop and Mobile Only)
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Intel ^® ICH7 Family Datasheet