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| 型號： | LM80CIMTX-5 |
| 英文描述： | Single-Ended Data Acquisition System |
| 中文描述： | 單端數(shù)據(jù)采集系統(tǒng) |
| 文件頁數(shù)： | 19/29頁 |
| 文件大小： | 409K |
| 代理商： | LM80CIMTX-5 |
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Functional Description
(Continued)
8.0 THE LM80 INTERRUPT STRUCTURE
Figure 10 depicts the Interrupt Structure of the LM80. The
LM80 can generate Interrupts as a result of each of its
internal WATCHDOG registers on the analog, temperature,
and fan inputs.
8.1 INTERRUPT INPUTS
External Interrupts can come from the following sources.
While the label suggests a specific type or source of Inter-
rupt, this label is not a restriction of its usage, and it could
come from any desired source:
BTI -
This is an active low Interrupt intended to come
from the O.S. output of LM75 temperature sensors. The
LM75 O.S. output goes active when its temperature ex-
ceeds a programmed threshold. Up to 8 LM75’s can be
connected to a single Serial Bus bus with their O.S.
output’s wire or’d to the BTI input of the LM80. If the
temperature of any LM75 exceeds its programmed limit,
it drives BTI low. This generates an Interrupt to notify the
host of a possible overtemperature condition. Provides
an internal pull-up of 10 k
.
CI (Chassis Intrusion) -
from any type of device that detects and captures chassis
intrusion violations. This could be accomplished me-
chanically, optically, or electrically, and circuitry external
to the LM80 is expected to latch the event. The design of
the LM80 allows this input to go high even with no power
applied to the LM80, and no clamping or other interfer-
ence with the line will occur. This line can also be pulled
low for at least 10 ms by the LM80 to reset a typical
Chassis Intrusion circuit. Accomplish this reset by setting
Bit 5 of Configuration Register high. The bit in the Reg-
ister is self-clearing.
This is an active high interrupt
DS100040-18
FIGURE 10. Interrupt Structure
L
www.national.com
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| LM80CIMTX-5/NOPB | 功能描述:監(jiān)控電路 RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復位:Resettable 監(jiān)視器:No Watchdog 電池備用開關:No Backup 上電復位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| LM80CIMTX-52 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Serial Interface ACPI-Compatible Microprocessor System Hardware Monitor |
| LM80EVAL | 功能描述:EVALUATION BOARD FOR LM80 RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評估演示板和套件 系列:PowerWise® 產(chǎn)品培訓模塊:Obsolescence Mitigation Program 標準包裝:1 系列:- 主要目的:電源管理，電池充電器 嵌入式:否 已用 IC / 零件:MAX8903A 主要屬性:1 芯鋰離子電池 次要屬性:狀態(tài) LED 已供物品:板 |
| LM81 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Serial Interface ACPI-Compatible Microprocessor System Hardware Monitor |
| LM8-1 | 制造商:Banner Engineering 功能描述:Logic Module; Delayed One-Shot; ,Ranges For Banner Multi-Beam Sensor Blocks 制造商:Banner Engineering 功能描述:3-And 4-Wire Logic Modules |
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