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参数资料
| 型号： | DS2482S-100+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/24页 |
| 文件大小： | 0K |
| 描述： | IC BRIDGE I2C TO 1-WIRE 8-SOIC |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 100 |
| 控制器类型： | I²C 总线控制器 |
| 接口： | I²C |
| 电源电压： | 3.3V，5V |
| 电流 - 电源： | 750µA |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SOIC |
| 包装： | 管件 |
| 产品目录页面： | 1429 (CN2011-ZH PDF) |
Single-Channel 1-Wire Master
Write Configuration
Command Code
D2h
Command Parameter
Configuration Byte
Description
Writes a new configuration byte. The new settings take effect immediately. Note: When writing to
the Configuration Register, the new data is accepted only if the upper nibble (bits 7 to 4) is the
one’s complement of the lower nibble (bits 3 to 0). When read, the upper nibble is always 0h.
Typical Use
Defining the features for subsequent 1-Wire communication.
Restriction
1-Wire activity must have ended before the DS2482-100 can process this command.
Error Response
Command code and parameter are not acknowledged if 1WB = 1 at the time the command code
is received and the command is ignored.
Command Duration
None. The Configuration Register is updated on the rising SCL edge of the configuration-byte
acknowledge bit.
1-Wire Activity
None
Read Pointer Position
Configuration Register (to verify write).
Status Bits Affected
RST set to 0.
Configuration Bits Affected
1WS, SPU, APU updated.
1-Wire Reset
Command Code
B4h
Command Parameter
None
Description
Generates a 1-Wire reset/presence-detect cycle (Figure 4) at the 1-Wire line. The state of the
1-Wire line is sampled at tSI and tMSP and the result is reported to the host processor through the
Status Register, bits PPD and SD.
Typical Use
To initiate or end any 1-Wire communication sequence.
Restriction
1-Wire activity must have ended before the DS2482-100 can process this command. Strong
pullup (see the SPU bit) should not be used in conjunction with the 1-Wire Reset command. If SPU
is enabled, the PPD bit may not be valid and may cause a violation of the device’s absolute
maximum rating.
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
tRSTL + tRSTH + 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).
Status Bits Affected
1WB (set to 1 for tRSTL + tRSTH), PPD is updated at tRSTL + tMSP, SD is updated at tRSTL + tSI.
Configuration Bits Affected
1WS, APU, SPU apply.
DS2482-100
10
Maxim Integrated
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS2482S-100/R | 制造商:DALLAS 制造商全称:Dallas Semiconductor 功能描述:Single-Channel 1-Wire Master |
| DS2482S-100/T | 制造商:DALLAS 制造商全称:Dallas Semiconductor 功能描述:Single-Channel 1-Wire Master |
| DS2482S-100/T&R | 功能描述:接口 - 专用 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 |
| DS2482S-100+ | 功能描述:接口 - 专用 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 |
| DS2482S-100+T&R | 制造商:Maxim Integrated Products 功能描述: 制造商:Maxim Integrated Products 功能描述:SGL CH 1 WIRE MASTER 8SOIC - Tape and Reel 制造商:Maxim Integrated Products 功能描述:SINGLE-CHANNEL 1-W LN DR 8SO/T&R LF 制造商:Maxim Integrated Products 功能描述:IC I2C TO 1WIRE BRIDGE 8SOIC 制造商:Maxim Integrated Products 功能描述:I2C to 1 Wire Bridge Device SOIC8 T/R |
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