參數(shù)資料
型號: DS2482X-101+T
廠商: Maxim Integrated Products
文件頁數(shù): 5/24頁
文件大?。?/td> 0K
描述: IC MASTER I2C-1WIRE 1CH 9-WLP
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 2,500
控制器類型: I²C 總線控制器
接口: I²C
電源電壓: 2.9 V ~ 5.5 V
電流 - 電源: 750µA
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 9-WFBGA,WLBGA
供應(yīng)商設(shè)備封裝: 9-WLP
包裝: 帶卷 (TR)
DS2482-101
Single-Channel 1-Wire Master with Sleep Mode
______________________________________________________________________________________
13
1-Wire Write Byte
Command Code
A5h
Command Parameter
Data Byte
Description
Writes a single data byte to the 1-Wire line.
Typical Use
To write commands or data to the 1-Wire line. Equivalent to executing eight 1-Wire Single Bit
commands, but faster due to less I2C traffic.
Restriction
1-Wire activity must have ended before the DS2482-101 can process this command.
Error Response
Command code and data byte are not acknowledged if 1WB = 1 at the time the command code is
received and the command is ignored.
Command Duration
8 x tSLOT + maximum 262.5ns, counted from falling edge of the last bit (LS bit) of the data byte.
1-Wire Activity
Begins maximum 262.5ns after falling SCL edge of the LSB of the data byte (i.e., before the data
byte acknowledge). Note: The bit order on the I2C bus and the 1-Wire line is different (1-Wire: LSB
first; I2C: MSB first). Therefore, 1-Wire activity cannot begin before the DS2482-101 has received
the full data byte.
Read Pointer Position
Status Register (for busy polling).
Status Bits Affected
1WB (set to 1 for 8 x tSLOT).
Configuration Bits Affected
1WS, SPU, APU apply.
1-Wire Read Byte
Command Code
96h
Command Parameter
None
Description
Generates eight read-data time slots on the 1-Wire line and stores result in the Read Data
Register.
Typical Use
To read data from the 1-Wire line. Equivalent to executing eight 1-Wire Single Bit commands with
V = 1 (write-one time slot), but faster due to less I2C traffic.
Restriction
1-Wire activity must have ended before the DS2482-101 can process this command.
Error Response
Command code is not acknowledged if 1WB = 1 at the time the command code is received and
the command is ignored.
Command Duration
8 x tSLOT + maximum 262.5ns, counted from the falling SCL edge of the command code
acknowledge bit.
1-Wire Activity
Begins maximum 262.5ns after the falling SCL edge of the command code acknowledge bit.
Read Pointer Position
Status Register (for busy polling). Note: To read the data byte received from the 1-Wire line, issue
the Set Read Pointer command and select the Read Data Register. Then access the DS2482-101
in read mode.
Status Bits Affected
1WB (set to 1 for 8 x tSLOT).
Configuration Bits Affected
1WS, APU apply.
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