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參數(shù)資料
| 型號： | LM99CIMM |
| 廠商： | National Semiconductor Corporation |
| 元件分類： | 溫度/濕度傳感器 |
| 英文描述： | 【1C Accurate, High Temperature, Remote Diode Temperature Sensor with Two-Wire Interface |
| 中文描述： | 【集成電路準確，高溫，遠程二極管溫度傳感器，兩線接口 |
| 文件頁數(shù)： | 12/20頁 |
| 文件大小： | 349K |
| 代理商： | LM99CIMM |
1.0 Functional Description
(Continued)
1.9.1 SMBus Timing Diagrams
LM99 Timing Diagram
1.10 SERIAL INTERFACE RESET
In the event that the SMBus Master is RESET while the
LM99 is transmitting on the SMBData line, the LM99 must be
returned to a known state in the communication protocol.
This may be done in one of two ways:
1.
When SMBData is LOW, the LM99 SMBus state ma-
chine resets to the SMBus idle state if either SMBData
or SMBCLK are held low for more than 35 ms (t
TIM-
EOUT
). Note that according to SMBus specification 2.0 all
devices are to timeout when either the SMBCLK or
SMBData lines are held low for 25-35 ms. Therefore, to
insure a timeout of all devices on the bus the SMBCLK
or SMBData lines must be held low for at least 35 ms.
When SMBData is HIGH, have the master initiate an
SMBus start. The LM99 will respond properly to an
SMBus start condition at any point during the communi-
cation. After the start the LM99 will expect an SMBus
Address address byte.
2.
20053810
(a) Serial Bus Write to the internal Command Register followed by a the Data Byte
20053811
(b) Serial Bus Write to the Internal Command Register
20053812
(c) Serial Bus Read from a Register with the Internal Command Register preset to desired value.
FIGURE 7. SMBus Timing Diagrams
L
www.national.com
12
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| LM99CIMM/NOPB | 功能描述:板上安裝溫度傳感器 RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關閉: 安裝風格: 封裝 / 箱體: 設備功能:Temperature and Humidity Sensor |
| LM99CIMMX | 功能描述:板上安裝溫度傳感器 RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關閉: 安裝風格: 封裝 / 箱體: 設備功能:Temperature and Humidity Sensor |
| LM99CIMMX/NOPB | 功能描述:板上安裝溫度傳感器 RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關閉: 安裝風格: 封裝 / 箱體: 設備功能:Temperature and Humidity Sensor |
| LM99EVAL | 功能描述:BOARD EVALUATION LM99 RoHS:否 類別:編程器，開發(fā)系統(tǒng) >> 評估板 - 傳感器 系列:PowerWise® 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:1 系列:- |
| LM99EVAL/NOPB | 功能描述:溫度傳感器開發(fā)工具 LM99 EVAL BOARD RoHS:否 制造商:Texas Instruments 產品類型:Temperature Sensors and Control ICs 工具用于評估:MSP430G2553 接口類型:USB 工作電源電壓: 工作電源電流: |
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