DS1922E Maxim, DS1922E Datasheet - Page 11
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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Figure 6. DS1922E Register Pages Map (continued)
* 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
021Ah
021Bh
021Ch
021Dh
0219h
021Eh
021Fh
0220h
0221h
0222h
0223h
0224h
0225h
0226h
0227h
0228h
022Fh
0230h
0237h
0238h
023Fh
…
…
…
High-Temperature Logger iButton with 8KB
CENT
BIT 7
0
0
0
0
______________________________________________________________________________________
12/24
BIT 6
0
0
10 Years
10 Seconds
10 Minutes
(No Function; All These Bytes Read 00h)
20 Hour
AM/PM
BIT 5
0
10 Date
(No Function; Reads 00h)
Configuration Code
10 Hour
Months
BIT 4
10
Center Byte
Center Byte
Eighth Byte
Eighth Byte
High Byte
High Byte
First Byte
First Byte
Low Byte
Low Byte
EPW
…
…
BIT 3
BIT 2
Single Seconds
Single Minutes
Single Months
Single Hours
Single Years
Single Date
BIT 1
Data-Log Memory
BIT 0
Timestamp
FUNCTION
PW Control
Password
Password
Samples
Samples
Mission
Mission
Counter
Counter
Access
Access
Device
Flavor
Read
Full
—
—
R/W
ACCESS*
W
W
R
R
R
R
R
R
—
—
R
R
R
R
R
R
R
11
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