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參數資料
| 型號： | UCB1500 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 總線控制器 |
| 英文描述： | PCI to AC97 bridge/host controller |
| 中文描述： | PCI BUS CONTROLLER, PQFP80 |
| 封裝： | 12 X 12 MM, 1.40 MM HEIGHT, PLASTIC, MS-026, SOT-315-1, LQFP-80 |
| 文件頁數： | 17/58頁 |
| 文件大小： | 1001K |
| 代理商： | UCB1500 |
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Philips Semiconductors
UCB1500
PCI to AC97 bridge/host controller
Objective specification
Rev. 01 — 4 February 2000
17 of 58
9397 750 06854
Philips Electronics N.V. 2000. All rights reserved.
[50]: Test Register (For internal use 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.
Table 21: Test Register 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.
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