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參數資料
| 型號： | LM81 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | Serial Interface ACPI-Compatible Microprocessor System |
| 中文描述： | 串行接口ACPI的兼容微處理器系統 |
| 文件頁數： | 10/32頁 |
| 文件大?。?/td> | 412K |
| 代理商： | LM81 |
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Functional Description
(Continued)
terrupt source. In addition, the Configuration Register has a
control bit to enable or disable the hardware Interrupt. An-
other hardware Interrupt line available T_CRIT_A (Critical
Temperature Alarm Output) is used to signal a catastrophic
overtemperature event. Having a dedicated interrupt for this
purpose allows for the fastest possible response time to a
thermal runaway event. This output can be enabled by set-
ting bit 4 of Extended Mode Register 1.
The Chassis Intrusion input is designed to accept an active
high signal from an external circuit that latches when the
case is removed from the computer.
2.0 INTERFACE
DS100072-7
FIGURE 4. LM81 Register Structure
www.national.com
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