DS1825 Programmable Resolution 1-Wire Digital Thermometer With 4-Bit ID
 
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SUGGESTED PROCEDURE FOR BUILDING CROSS-REFERENCE TABLE
This procedure uses the Search ROM command to find all DS1825s on the one-wire bus (16 maximum) and then
reads each configuration register to match the ROMIDs to the hard-wired addresses.  
 
Figure 13
 
N>Nmax?
Master Tx
Next ROMID
Recall EEPROM
(use AD3-AD0
from Config
Register)
Match ROMID to
Address and Add
to Crossreference
Table
ROMID(0)
0000
ROMID(1)
0001
ROMID(2)
0010
ROMID(3)
0011
ROMID(12)
1100
ROMID(13)
1101
ROMID(14)
1110
ROMID(15)
1111
Y
N
DONE
Crossreference Table
ROMID
AD3-AD0
BUILDING
CROSSREFERENCE
TABLE USING
ROMIDS AND 4-BIT
ADDRESSES
Increment Counter
N = N + 1
Note: Temperature sensors are addressed by
ROMID, not by binary address
Search all
ROMIDs on bus &
store ROMIDs
(F0h command)
Nmax is the number
of ROMIDs found
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相关代理商/技术参数
DS1825U+TR 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Programmable Resolution 1-Wire Digital Thermometer With 4-Bit ID
DS1825UTR 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Programmable Resolution 1-Wire Digital Thermometer With 4-Bit ID
DS1830 功能描述:监控电路 Reset Sequencer RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟(典型值):10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel
DS1830+ 功能描述:监控电路 Reset Sequencer RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟(典型值):10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel
DS1830A 功能描述:监控电路 Reset Sequencer RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟(典型值):10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel
DS1830A+ 功能描述:监控电路 Reset Sequencer RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟(典型值):10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel
DS1830AS 功能描述:监控电路 Reset Sequencer RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟(典型值):10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel
DS1830AS/T&R 制造商:Maxim Integrated Products 功能描述:3.3V RESET SEQUENCER 8P SOIC T&R - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC SEQUENCER RESET PB 3.3V 8SOIC 制造商:Maxim Integrated Products 功能描述:Supervisory Circuits Reset Sequencer