lm81cimtx-32 National Semiconductor Corporation, lm81cimtx-32 Datasheet - Page 11
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lm81cimtx-32
Manufacturer Part Number
lm81cimtx-32
Description
Serial Interface Acpi-compatible Microprocessor System
Manufacturer
National Semiconductor Corporation
Datasheet
1.LM81CIMTX-32.pdf
(33 pages)
- Current page: 11 of 33
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Functional Description
Interrupt source. In addition, the Configuration Register has
a control bit to enable or disable the hardware Interrupt.
Another 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
2.0 INTERFACE
(Continued)
FIGURE 4. LM81 Register Structure
11
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.
DS100072-7
www.national.com
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