參數(shù)資料
型號： DS1922L-F5
英文描述： Temperature Logger iButton With 8kB Datalog Memory
中文描述： 溫度記錄儀iButton的記憶與8kB的數(shù)據(jù)記錄
文件頁數(shù)： 13/48頁
文件大?。?/td> 428K
代理商： DS1922L-F5
DS1922L/DS1922T
13 of 48
Figure 2. Hierachical Structure for 1-Wire Protocol
1-Wire net
Other
Devices
BUS
Master
DS1922L, DS1922T
Available
Commands:
Command
Level:
Data Field
Affected:
1-Wire ROM Function
Commands
DS1922-Specific
Memory Function
Commands
Read ROM
Match ROM
Search ROM
Conditional Search ROM
Skip ROM
Resume
Overdrive Skip
Overdrive Match
64-bit ROM, RC-Flag
64-bit ROM, RC-Flag
64-bit ROM, RC-Flag
64-bit ROM, RC-Flag, Alarm Flags,
Search Conditions
RC-Flag
RC-Flag
RC-Flag, OD-Flag
64-bit ROM, RC-Flag, OD-Flag
Write Scratchpad
Read Scratchpad
Copy Scratchpad w/PW
Read Memory w/PW &
w/CRC
Clear Memory w/PW
Forced Conversion
Start Mission w/PW
Stop Mission w/PW
256-bit Scratchpad, Flags
256-bit Scratchpad
512 byte Data Memory, Registers,
Flags, Passwords
Memory, Registers, Passwords
Mission Time Stamp, Mission Samples
Counter, Start Delay, Alarm
Flags, Passwords
Memory addresses 020Ch to 020Dh
Flags, Timestamp, Memory addresses
020Ch to 020Dh (when logging)
Flags
Figure 3. 64-Bit Lasered ROM
MSB
LSB
8-Bit
CRC Code
48-Bit Serial Number
8-Bit Family
Code (41h)
MSB
LSB
MSB
LSB
MSB
LSB
Figure 4. 1-Wire CRC Generator
X
0
X
1
X
2
X
3
X
4
X
5
X
6
X
7
X
8
Polynomial = X
8
+ X
5
+ X
4
+ 1
1
st
STAGE
2
nd
STAGE
3
rd
STAGE
4
th
STAGE
6
th
STAGE
5
th
STAGE
7
th
STAGE
8
th
STAGE
INPUT DATA
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS1922L-F5# 功能描述:iButton Temp Logger Ibutton w/8Kb Datalog Mem RoHS:否 存儲類型:SRAM 存儲容量:512 B 組織: 工作電源電壓:3 V to 5.25 V 接口類型:1-Wire 最大工作溫度:+ 85 C 尺寸:17.35 mm x 5.89 mm 封裝 / 箱體:F5 MicroCan 制造商:Maxim Integrated
DS1922L-F5#A20 功能描述:iButton RoHS:否 存儲類型:SRAM 存儲容量:512 B 組織: 工作電源電壓:3 V to 5.25 V 接口類型:1-Wire 最大工作溫度:+ 85 C 尺寸:17.35 mm x 5.89 mm 封裝 / 箱體:F5 MicroCan 制造商:Maxim Integrated
DS1922L-F5#A22 功能描述:iButton RoHS:否 存儲類型:SRAM 存儲容量:512 B 組織: 工作電源電壓:3 V to 5.25 V 接口類型:1-Wire 最大工作溫度:+ 85 C 尺寸:17.35 mm x 5.89 mm 封裝 / 箱體:F5 MicroCan 制造商:Maxim Integrated
DS1922L-F5#W 功能描述:iButton RoHS:否 存儲類型:SRAM 存儲容量:512 B 組織: 工作電源電壓:3 V to 5.25 V 接口類型:1-Wire 最大工作溫度:+ 85 C 尺寸:17.35 mm x 5.89 mm 封裝 / 箱體:F5 MicroCan 制造商:Maxim Integrated
DS1922L-F5/A1E 功能描述:iButton RoHS:否 存儲類型:SRAM 存儲容量:512 B 組織: 工作電源電壓:3 V to 5.25 V 接口類型:1-Wire 最大工作溫度:+ 85 C 尺寸:17.35 mm x 5.89 mm 封裝 / 箱體:F5 MicroCan 制造商:Maxim Integrated
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