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參數(shù)資料
| 型號(hào)： | PC87413 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | LPC ServerI/O for Servers and Workstations |
| 中文描述： | LPC ServerI /服務(wù)器和工作站 |
| 文件頁(yè)數(shù)： | 132/257頁(yè) |
| 文件大?。?/td> | 3163K |
| 代理商： | PC87413 |
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6.0 ACCESS.bus Interface
(Continued)
www.national.com
132
Revision1.2
P
6.3.7
This register controls the locking of the device functional blocks to LPC bus access. On reset, it is cleared (00h).
Power Well: V
SB
Location:
Offset 05h
Type:
R/W
Access Lock Configuration 1 Register (ACCLCF1)
Bit
Name
Reset
7
6
5
4
3
2
1
0
CONFALOK
0
Reserved
KBCALOK SER1ALOK SER2ALOK PARPALOK FDCALOK
0
0
0
0
0
0
0
Bit
Description
7
CONFALOK (Configuration Access Lock).
When set to 1, this bit disables LPC bus access to the Device
Configuration module and locks the module for use by ACCESS.bus only. If the module is accessed through
the LPC bus, it responds according to the setting of the ACCLMD field in the ACBCFG register (see Section
6.3.3 on page 128); in addition, the ACCLVIOL bit in ACBCST is set (see Section 6.3.2 on page 127).
0: Module opened for LPC access (default)
1: Module locked for LPC access and opened for use by ACCESS.bus only
6-5
Reserved.
4
KBCALOK (Keyboard/Mouse Controller Access Lock).
When set to 1, this bit disables LPC bus access to
the Keyboard/Mouse Controller module and locks the module for use by ACCESS.bus only. If the module is
accessed through the LPC bus, it responds according to the setting of the ACCLMD field and the ACCLVIOL
bit (see CONFALOK bit). The setting of this bit also forces module activation regardless of the actual setting of
its Activation bit (index 30; see Section 3.2.3 on page 40) and of the setting of the global enable bit (GLOBEN
bit in the SIOCF1 register).
0: Module opened for LPC access (default)
1: Module locked for LPC access and opened for use by ACCESS.bus only (see Section 3.3.2 on page 44)
3
SER1ALOK (Serial Port 1 Access Lock).
When set to 1, this bit disables LPC bus access to the Serial Port
1 module and locks the module for use by ACCESS.bus only. If the module is accessed through the LPC bus,
it responds according to the setting of the ACCLMD field and the ACCLVIOL bit (see CONFALOK bit). The
setting of this bit also forces module activation regardless of the actual setting of its Activation bit (index 30; see
Section 3.2.3 on page 40), of its fast-enable bit (SER1DIS bit in the SIOCF6 register) and of the setting of the
global enable bit (GLOBEN bit in the SIOCF1 register).
0: Module opened for LPC access (default)
1: Module locked for LPC access and opened for use by ACCESS.bus only (see Section 3.3.2 on page 44)
2
SER2ALOK (Serial Port 2 Access Lock).
When set to 1, this bit disables LPC bus access to the Serial Port
2 module and locks the module for use by ACCESS.bus only. This bit behaves like the SER1ALOK bit.
0: Module opened for LPC access (default)
1: Module locked for LPC access and opened for use by ACCESS.bus only (see Section 3.3.2 on page 44)
1
PARPALOK (Parallel Port Access Lock).
When set to 1, this bit disables LPC bus access to the Parallel Port
module and locks the module for use by ACCESS.bus only. This bit behaves like the SER1ALOK bit.
0: Module opened for LPC access (default)
1: Module locked for LPC access and opened for use by ACCESS.bus only (see Section 3.3.2 on page 44)
0
FDCALOK (Floppy Disk Controller Access Lock).
When set to 1, this bit disables LPC bus access to the
Floppy Disk Controller module and locks the module for use by ACCESS.bus only. This bit behaves like the
SER1ALOK bit.
0: Module opened for LPC access (default)
1: Module locked for LPC access and opened for use by ACCESS.bus only (see Section 3.3.2 on page 44)
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| PC87414 | LPC ServerI/O for Servers and Workstations |
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相關(guān)代理商/技術(shù)參數(shù) |
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| PC87414 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:LPC ServerI/O for Servers and Workstations |
| PC87415 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:PCI-IDE DMA Master Mode Interface Controller |
| PC87415VCG | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| PC87416 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:LPC ServerI/O for Servers and Workstations |
| PC87417 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:LPC ServerI/O for Servers and Workstations |
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