UCB1500 Просмотр технического описания (PDF) - Philips Electronics

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производитель

UCB1500

PCI to AC97 bridge/host controller

Philips Electronics 

Philips Semiconductors

UCB1500

PCI to AC97 bridge/host controller

[50]: Test Register (For internal use only)

Table 11: Test Register bit description

Bit

Description

0

Test Mode Enable

If set, chip operates under test mode. If ‘0’, chip operates normally.

1

EEPROM Autoload enable

If set, EEPROM autoload is disabled. If `0', EEPROM autoload sequence

operates as normal, depending on the EEPROM signature. This bit is for testing

only.

[6A-6B]: Power Management capabilities Write: This register contains a copy of

the Power Management capabilities register. Writing to this register will update the

original Power Management capabilities register (offset 82h-83h).

[6C-6F]: Subsystem-ID Write / Vendor ID Write: This register contains a copy of

the Subsystem-ID/Vendor ID register. Writing to this register will update the original

Subsystem-ID/Vendor ID registers (offset 2Ch-2Fh).

[80]: Capability Identifier (read only): This register is set to 01h to indicate power

management interface registers.

[81]: Next Item Pointer (read only): This field provides an offset into the function's

PCI Configuration Space pointing to the location of next item in the function's

capability list. This register is set to zero, signifying that there are no additional items

in the capability list.

9397 750 06854

Objective specification

Rev. 01 — 4 February 2000

© Philips Electronics N.V. 2000. All rights reserved.

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