參數資料
型號: LM86CIMMX
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: 溫度/濕度傳感器
英文描述: 【0.75∑C Accurate, Remote Diode and Local Digital Temperature Sensor with Two-Wire Interface
中文描述: DIGITAL TEMP SENSOR-SERIAL, 11BIT(s), 3Cel, SQUARE, SURFACE MOUNT
封裝: PLASTIC, MSOP-8
文件頁數: 11/21頁
文件大小: 414K
代理商: LM86CIMMX
1.0 Functional Description
(Continued)
1.9.1 SMBus Timing Diagrams
1.10 SERIAL INTERFACE RESET
In the event that the SMBus Master is RESET while the
LM86 is transmitting on the SMBData line, the LM86 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 LM86 SMBus state ma-
chine resets to the SMBus idle state if either SMBData
or SMBCLK are held low for more than 35ms (t
).
Note that according to SMBus specification 2.0 all de-
vices are to timeout when either the SMBCLK or SMB-
Data lines are held low for 25-35ms. Therefore, to insure
a timeout of all devices on the bus the SMBCLK or
SMBData lines must be held low for at least 35ms.
2.
When SMBData is HIGH, have the master initiate an
SMBus start. The LM86 will respond properly to an
SMBus start condition at any point during the communi-
cation. After the start the LM86 will expect an SMBus
Address address byte.
1.11 DIGITAL FILTER
In order to suppress erroneous remote temperature readings
due to noise, the LM86 incorporates a user-configured digital
filter. The filter is accessed in the FILTER and ALERT CON-
FIGURE REGISTER at BFh. The filter can be set according
to the following table.
10130310
(a) Serial Bus Write to the internal Command Register followed by a the Data Byte
10130311
(b) Serial Bus Write to the Internal Command Register
10130312
(c) Serial Bus Read from a Register with the Internal Command Register preset to desired value.
FIGURE 7. SMBus Timing Diagrams
L
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相關代理商/技術參數
參數描述
LM86CIMMX/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
LM86CIMX 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
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