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參數(shù)資料
| 型號： | DS2483Q+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 9/29頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC I2C TO 1WIRE BRIDGE 8TDFN |
| 產(chǎn)品培訓模塊： | Obsolescence Mitigation Program |
| 標準包裝： | 2,500 |
| 系列： | * |
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17
Maxim Integrated
DS2483
Single-Channel 1-Wire Master
with Adjustable Timing and Sleep Mode
1-Wire Write Byte
1-Wire Read 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 DS2483 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 (LSB) 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 DS2483
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).
Device Configurations Affected
1WS, SPU, APU apply.
Port Configurations Affected
tRSTL, tMSP, tW0L, tREC0, and RWPU current values apply.
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 DS2483 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
DS2483 in read mode.
Status Bits Affected
1WB (set to 1 for 8 x tSLOT).
Device Configurations Affected
1WS, APU apply.
Port Configurations Affected
tRSTL, tMSP, tW0L, tREC0, and RWPU current values apply.
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| DS2483R+T | 功能描述:I2C 接口集成電路 Single-Channel 1-Wire Master RoHS:否 制造商:NXP Semiconductors 電源電壓-最大:5.5 V 電源電壓-最小:2.3 V 最大工作頻率:400 KHz 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-16 |
| DS2483R+U | 功能描述:接口 - 專用 SINGLE-CH 1-WIRE MASTER RoHS:否 制造商:Texas Instruments 產(chǎn)品類型:1080p60 Image Sensor Receiver 工作電源電壓:1.8 V 電源電流:89 mA 最大功率耗散: 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:BGA-59 |
| DS2484Q+T | 制造商:Maxim Integrated Products 功能描述: |
| DS2484R+T | 制造商:Maxim Integrated Products 功能描述: |
| DS2490 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:USB to 1-Wire Bridge Chip |
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