DS1922L/DS1922T
iButton Temperature Loggers
with 8KB Data-Log Memory
ADDRESS
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
FUNCTION
ACCESS*
0219h
021Ah
0
0
10 Seconds
10 Minutes
Single Seconds
Single Minutes
021Bh
021Ch
021Dh
0
0
CENT
12/24
0
0
20 Hour
10 Hour
AM/PM
10 Date
10
0
Months
Single Hours
Single Date
Single Months
Mission
Timestamp
R
R
021Eh
10 Years
Single Years
021Fh
0220h
0221h
0222h
0223h
0224h
0225h
0226h
0227h
0228h
022Fh
0230h
0237h
(No Function; Reads 00h)
Low Byte
Center Byte
High Byte
Low Byte
Center Byte
High Byte
Configuration Code
EPW
First Byte
Eighth Byte
First Byte
Eighth Byte
Mission
Samples
Counter
Device
Samples
Counter
Flavor
PW Control
Read
Access
Password
Full
Access
Password
R
R
R
R
R/W
W
W
R
R
R
R
R
0238h
(No Function; All These Bytes Read 00h)
R
R
023Fh
*The left entry in the ACCESS column is valid between missions. The right entry shows the applicable access type while a
mission is in progress.
Figure 6. Register Pages Map (continued)
18
Maxim Integrated
相关PDF资料
DS1923-F5# IBUTTON TEMP/HUMIDITY LOGGER F5
DS1961S-F3# IBUTTON EEPROM 1KBit F3
DS1963S-F5+ IBUTTON MONETARY SHA-1
DS1971-F3+ IBUTTON EEPROM 256KBIT F3
DS1972-F3+ IBUTTON EEPROM 1KBit F3
DS1973-F3+ IBUTTON EEPROM 4KBit F3
DS1977-F5# IBUTTON EEPROM 32KBit F5
DS1982-F5+ IBUTTON 1KBit ADD-ONLY F5
相关代理商/技术参数
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