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参数资料
| 型号： | DS1923-F5# |
| 厂商： | Maxim Integrated |
| 文件页数： | 45/55页 |
| 文件大小： | 0K |
| 描述： | IBUTTON TEMP/HUMIDITY LOGGER F5 |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| RoHS指令信息： | IButton RoHS Compliance Plan |
| 标准包装： | 5 |
| 系列： | iButton® |
| 存储容量： | 512B |
| 存储器类型： | NVSRAM（非易失 SRAM） |
| 产品目录页面： | 1431 (CN2011-ZH PDF) |
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DS1923
iButton Hygrochron Temperature/Humidity
Logger with 8KB Data-Log Memory
ing in the command code, the target addresses TA1
and TA2, and all the data bytes. The DS1923 transmits
this CRC only if the data bytes written to the scratchpad
include scratchpad ending offset 11111b. The data can
start at any location within the scratchpad.
With the Read Scratchpad command, the CRC is gen-
erated by first clearing the CRC generator and then
shifting in the command code, the target addresses
TA1 and TA2, the E/S byte, and the scratchpad data
starting at the target address. The DS1923 transmits
this CRC only if the reading continues through the end
of the scratchpad, regardless of the actual ending off-
set. For more information on generating CRC values,
refer to Application Note 27.
Command-Specific 1-Wire Communication Protocol—Legend
SYMBOL
RST
PD
Select
WS
RS
CPS
RMC
CM
FC
SM
STP
TA
TA –E/S
<Data to EOS>
<Data to EOP>
<Data to EOM>
<PW/Dummy>
<32 Bytes>
<Data>
FFh
CRC-16
FF Loop
AA Loop
Busy
Maxim Integrated
DESCRIPTION
1-Wire reset pulse generated by master.
1-Wire presence pulse generated by slave.
Command and data to satisfy the ROM function protocol.
Command “Write Scratchpad.”
Command “Read Scratchpad.”
Command “Copy Scratchpad with Password.”
Command “Read Memory with Password and CRC. ”
Command “Clear Memory with Password.”
Command “Forced Conversion. ”
Command “Start Mission with Password.”
Command “Stop Mission with Password.”
Target Address TA1, TA2.
Target Address TA1, TA2 with E/S byte.
Transfer of as many data bytes as are needed to reach the scratchpad offset 1Fh.
Transfer of as many data bytes as are needed to reach the end of a memory page.
Transfer as many bytes as are needed to reach the end of the data-log memory.
Transfer of 8 bytes that either represent a valid password or acceptable dummy data.
Transfer of 32 bytes.
Transfer of an undetermined amount of data.
Transmission of one FFh byte.
Transfer of an inverted CRC-16.
Indefinite loop where the master reads FF bytes.
Indefinite loop where the master reads AA bytes.
Interval during Copy Scratchpad where the DS1923 does not respond. Any bits read during this time
are logic 1.
45
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS1923-F5# | 功能描述:iButton Hygrochron Temp/Hum Logger w/8KB DataLog RoHS:否 存储类型:SRAM 存储容量:512 B 组织: 工作电源电压:3 V to 5.25 V 接口类型:1-Wire 最大工作温度:+ 85 C 尺寸:17.35 mm x 5.89 mm 封装 / 箱体:F5 MicroCan 制造商:Maxim Integrated |
| DS1923-F5#W | 功能描述:iButton Hygrochron Temp/Hum Logger w/8KB DataLog RoHS:否 存储类型:SRAM 存储容量:512 B 组织: 工作电源电压:3 V to 5.25 V 接口类型:1-Wire 最大工作温度:+ 85 C 尺寸:17.35 mm x 5.89 mm 封装 / 箱体:F5 MicroCan 制造商:Maxim Integrated |
| DS1923-F5+ | 功能描述:iButton RoHS:否 存储类型:SRAM 存储容量:512 B 组织: 工作电源电压:3 V to 5.25 V 接口类型:1-Wire 最大工作温度:+ 85 C 尺寸:17.35 mm x 5.89 mm 封装 / 箱体:F5 MicroCan 制造商:Maxim Integrated |
| DS19310 | 制造商:SANYO 制造商全称:Sanyo Semicon Device 功能描述:Color TV Owners Manual Manuel dinstructions du teleouleur Color TV Manual Del Propietario |
| DS193-K | 制造商:Miyama Electric 功能描述: |
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