C200 datasheet(30/82 Pages) INTEL

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Specification Clarifications

Specification Update

c. Section 16.1.38 EHCIIR3—EHCI Initialization Register 3 bits 32:22 are changed as

shown:

d. Section 16.1.39 EHCIIR4—EHCI Initialization Register 4 bits 17 and 15 are changed

as shown:

10.

PCH Thermal Sensor Temperature Range

The following sentence is added at the end of the first paragraph of section 5.21.1:

The normal readable temperature range of the PCH thermal sensor is from 53 °C to

134 °C. Note that some parts can read down to 43 °C but this is part to part

dependent.

11.

Secondary PCI Device Hiding Register Attribute Clarification

The following is added to the register summary of section 11.1.20 SPDH—Secondary

PCI Device Hiding Register:

Bits 3:0 are Read Only on PCI Interface-disabled SKUs; bits 3:0 are Read/Write for PCI

Interface-enabled SKUs (see Section 1.3 for full details on SKU definition).

12.

GPIO Lock Clarification

The following note is added to section 5.15.4 GPIO Registers Lockdown:

Note: All other GPIO registers not listed here are not be locked by GLE.

13.

GPIO13 Voltage Well

The power well for GPIO13 in table 2-24 is changed from Suspend to HDA Suspend.

EHCI Initialization Register 2 Field 4 — R/W. BIOS may write to this bit field.

EHCI Initialization Register 2 Field 3 — R/W. BIOS may write to this bit field.

Reserved

EHCI Initialization Register 2 Field 2 — R/W. BIOS may write to this bit field.

7:6

Reserved

EHCI Initialization Register 2 Field 1 — R/W. BIOS may write to this bit field.

4:0

Reserved

Bit

Description

Bit

Description

23:22 EHCI Initialization Register 3 Field 1 — R/W. BIOS may write to this bit field.

Bit

Description

EHCI Initialization Register 4 Field 2 — R/W. BIOS may write to this bit field.

EHCI Initialization Register 4 Field 1 — R/W. BIOS may write to this bit field.

C200 Datasheet(PDF) 30 Page - Intel Corporation

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