參數(shù)資料
型號： DS1921
英文描述： High-Resolution Thermochron iButton
中文描述： 高分辨率Thermochron iButton的
文件頁數(shù)： 4/44頁
文件大?。?/td> 271K
代理商： DS1921
DS1921H/Z
4 of 44
HIERARCHICAL STRUCTURE FOR 1-Wire PROTOCOL
Figure 2
1-Wire net
Other
Devices
Bus
Master
Command
Level:
1-Wire ROM Function
Commands
DS1921-Specific
Memory/Control
Function Commands
DS1921
Available
Commands:
Read ROM
Match ROM
Search ROM
Skip ROM
Overdrive Skip
Overdrive Match
Conditional Search
ROM
Write Scratchpad
Read Scratchpad
Copy Scratchpad
Read Memory
Read Memory w/CRC
Clear Memory
Convert Temperature
Data Field
Affected:
64-bit Reg. #
64-bit Reg. #
64-bit Reg. #
N/A
OD-Flag
64-bit Reg. #, OD-Flag
64-bit Reg. #, Cond. Search settings,
device status
256-bit scratchpad, flags
256-bit scratchpad
4096-bit SRAM, registers, flags
All memory
All memory
Mission Time Stamp, Mission Samples
Counter, Start Delay, Sample
Rate, Alarm Time Stamps and
Durations, Histogram Memory
Memory address 211h
Cmd.
Codes:
33h
55h
F0h
CCh
3Ch
69h
ECh
0Fh
AAh
55h
F0h
A5h
3Ch
44h
64-BIT LASERED ROM
Figure 3
MSB
LSB
8-Bit
CRC Code
12-Bit Temperature
Range Code
36-Bit Serial Number
8-Bit Family
Code (21h)
MSB
LSB
MSB
LSB
MSB
LSB
MSB
LSB
DEVICE
TEMP.
RANGE (°C)
RESOLUTION
(
°
C)
0.125
0.125
TEMP. RANGE CODE
HEX.
EQUIVALENT
DS1921H-F5
DS1921Z-F5
+15 to +46
-5 to +26
0100
0011
1111
1011
0010
0010
4F2
3B2
相關(guān)PDF資料
PDF描述
DS1921H-F5 High-Resolution Thermochron iButton
DS1921Z-F5 High-Resolution Thermochron iButton
DS1963L-F5 NVRAM (Battery Based)
DS1963S SHA iButton
DS1971 256-Bit EEPROM iButton
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS1921G 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Thermochron iButton
DS1921G_11 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Logs Up to 2048 Consecutive Temperature Thermochron iButton
DS1921G_1109 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Thermochron iButton
DS1921G_12 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Thermochron iButton
DS1921G-F5 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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