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参数资料
| 型号： | DS2483Q+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 7/29页 |
| 文件大小： | 0K |
| 描述： | IC I2C TO 1WIRE BRIDGE 8TDFN |
| 产品培训模块： | Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 系列： | * |
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15
Maxim Integrated
DS2483
Single-Channel 1-Wire Master
with Adjustable Timing and Sleep Mode
1-Wire Single Bit
Table 8. Bit Allocation in the Bit Byte
X = Don’t care
Command Code
87h
Command Parameter
Bit Byte
Description
Generates a single 1-Wire time slot with a bit value “V” as specified by the bit byte at the
1-Wire line (Table 8). A V value of 0b generates a write-zero time slot (Figure 5); a V value of
1b generates a write-one time slot, which also functions as a read-data time slot (Figure 6). In
either case, the logic level at the 1-Wire line is tested at tMSR and SBR is updated.
Typical Use
To perform single-bit writes or reads at the 1-Wire line when single bit communication is
necessary (the exception).
Restriction
1-Wire activity must have ended before the DS2483 can process this command.
Error Response
Command code and bit byte are not acknowledged if 1WB = 1 at the time the command
code is received and the command is ignored.
Command Duration
tSLOT + maximum 262.5ns, counted from the falling SCL edge of the first bit (MSB) of the bit
byte.
1-Wire Activity
Begins maximum 262.5ns after the falling SCL edge of the MSB of the bit byte.
Read Pointer Position
Status register (for busy polling and data reading).
Status Bits Affected
1WB (set to 1 for tSLOT), SBR is updated at tMSR, DIR (may change its state).
Device Configurations Affected
1WS, APU, SPU apply.
Port Configurations Affected
tRSTL, tMSP, tW0L, tREC0, and RWPU current values apply.
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
V
X
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS2483R+T | 功能描述:I2C 接口集成电路 Single-Channel 1-Wire Master RoHS:否 制造商:NXP Semiconductors 电源电压-最大:5.5 V 电源电压-最小:2.3 V 最大工作频率:400 KHz 最大工作温度:+ 85 C 封装 / 箱体:TSSOP-16 |
| DS2483R+U | 功能描述:接口 - 专用 SINGLE-CH 1-WIRE MASTER RoHS:否 制造商:Texas Instruments 产品类型:1080p60 Image Sensor Receiver 工作电源电压:1.8 V 电源电流:89 mA 最大功率耗散: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体: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 制造商全称:Maxim Integrated Products 功能描述:USB to 1-Wire Bridge Chip |
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