DS1922E Maxim, DS1922E Datasheet - Page 10
DS1922E
Manufacturer Part Number
DS1922E
Description
The DS1922E temperature logger iButton is a rugged, self-sufficient system that measures temperature and records the result in a protected memory section
Manufacturer
Maxim
Datasheet
1.DS1922E.pdf
(44 pages)
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High-Temperature Logger iButton with 8KB
Data-Log Memory
Figure 6. DS1922E Register Pages Map
10
* 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.
ADDRESS
______________________________________________________________________________________
020Ah
020Bh
020Ch
020Dh
0200h
0201h
0202h
0203h
0204h
0205h
0206h
0207h
0208h
0209h
020Eh
020Fh
0210h
0211h
0212h
0213h
0214h
0215h
0216h
0217h
0218h
CENT
BIT 7
BOR
0
0
0
0
0
0
1
0
1
1
Low Byte
12/24
BIT 6
0
0
0
0
1
0
1
1
1
10 Years
10 Seconds
10 Minutes
20 Hour
AM/PM
BIT 5
SUTA
0
0
1
0
1
0
(No Function with the DS1922E)
(No Function with the DS1922E)
(No Function with the DS1922E)
(No Function with the DS1922E)
10 Date
10 Hour
Months
WFTA
BIT 4
High Threshold
Low Threshold
RO
10
Center Byte
0
0
1
0
1
High Byte
High Byte
Low Byte
Low Byte
MEMCLR
BIT 3
(X)
0
0
1
0
0
High Byte
BIT 2
Single Seconds
TLFS
Single Minutes
Single Months
Single Hours
Single Years
Single Date
0
0
1
0
0
0
ETHA
BIT 1
EHSS
THF
MIP
0
0
0
EOSC
BIT 0
ETLA
ETL
TLF
0
0
0
Alarm Status
Temperature
Temperature
Temperature
RTC Control
Time Clock
FUNCTION
Registers
Mission
General
Counter
Sample
Alarms
Control
Enable
Latest
Status
Alarm
Delay
Real-
Rate
Start
—
—
—
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
ACCESS*
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
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