INTEL82801 データシートの表示（PDF） - Intel

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INTEL82801

Intel® 82801AA (ICH) and Intel® 82801AB (ICH0) I/O Controller Hub

Intel 

Revision History

Revision

-001

002

Description

Date

Initial Release

April 1999

• Editorial changes throughout for clarity.

• Added SVID Register (2Ch) and SID Register (2Eh) to the following

functions:

- IDE Controller (D31:F1)

- USB Controller (D31:F2)

- SMBus Controller (D31:F3)

• Ballout Change: Ball G3 has changed from Vss to a No Connect.

• Change to Figure 2-1, “Required External RTC Circuit”. C1

capacitor value changed from 0.047 uF to 2200 pF.

• Chapter 14, “Electrical Characteristics. Made the following changes:

- Table 14-5. VOL2 changed from 0.4V max to 0.45V max; the

corrsponding IOL2 changed from 10 mA to 16 mA.

June 1999

- Table 14-7. The previous revision had TBDs for the Hub Interface

timngs t31-t34. The TBDs have been replaced timing values.

• Updated the notes at the beginning of:

- Section 5.1.1, “PCI Bus Timing”.

- Section 5.2, “LPC Bridge”.

- Section 5.12.5.4,

- Section 5.15, “USB Controller (Device 31:Function2)”.

- Section 5.17, “ICH/97 2.1 Functional description”.

• Clarified IRQEN Bit description (Section 8.1.16, “PIRQ[n]_ROUT—

PIRQ[A,B,C,D] Routing Control (LPC I/F—D31:F0)”.

• Added Register Bit Index (Appendix B)

82801AA and 82801AB Datasheet

xix

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