Datasheet
Dual, Temperature-Controlled Resistors with Inter-
nally Calibrated Monitors and Password Protection
Maxim Integrated 15
DS1856
60
Temp Value
S
2
6
2
5
2
4
2
3
2
2
2
1
2
0
2
-1
2
-2
2
-3
2
-4
2
-5
2
-6
2
-7
2
-8
62 V
CC
Value 2
15
2
14
2
13
2
12
2
11
2
10
2
9
2
8
2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
64
Mon1 Value
2
15
2
14
2
13
2
12
2
11
2
10
2
9
2
8
2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
66
Mon2 Value
2
15
2
14
2
13
2
12
2
11
2
10
2
9
2
8
2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
68
Mon3 Value
2
15
2
14
2
13
2
12
2
11
2
10
2
9
2
8
2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
6E Status
<2>
Rhiz
<11>
SoftHiz
<2>
Reserved
<2>
Reserved
<2>
Reserved
<2>
TxF
<2>
RxL
<2>
Rdyb
6F Update Temp Rdy
V
CC
Rdy Mon1 Rdy Mon2 Rdy Mon3 Rdy Reserved Reserved Reserved
70 Alarm
1
Temp Hi
Temp Lo
V
CC
Hi V
CC
Lo Mon1 Hi
Mon1 Lo
Mon2 Hi
Mon2 Lo
71 Alarm
0
Mon3 Hi
Mon3 Lo Reserved Reserved Reserved Reserved Reserved
Mint
74 Warn
1
Temp Hi
Temp Lo
V
CC
Hi V
CC
Lo Mon1 Hi
Mon1 Lo
Mon2 Hi
Mon2 Lo
75 Warn
0
Mon3 Hi
Mon3 Lo Reserved Reserved Reserved Reserved Reserved Reserved
7B PWE msb 2
31
2
30
2
29
2
28
2
27
2
26
2
25
2
24
2
23
2
22
2
21
2
20
2
19
2
18
2
17
2
16
7D PWE lsb 2
15
2
14
2
13
2
12
2
11
2
10
2
9
2
8
2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
7F Tbl Sel 2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
AUXILIARY (VALID WHEN ADEN = 0)
Word 0 Word 1 Word 2 Word 3
Row
(hex)
Row
Name
Byte 0/8 Byte 1/9
Byte 2/A Byte 3/B Byte 4/C Byte 5/D Byte 6/E
Byte 7/F
00–7F
<1>
EE EE EE EE EE EE EE EE EE
TABLE 00/01 (VALID WHEN ADEN = 1)
Word 0 Word 1 Word 2 Word 3
Row
(hex)
Row
Name
Byte 0/8 Byte 1/9
Byte 2/A Byte 3/B Byte 4/C Byte 5/D Byte 6/E
Byte 7/F
80–FF
<7>
EE EE EE EE EE EE EE EE EE
Memory Map (continued)