14
Maxim Integrated
?癈 Accurate 8-Channel Temperature Sensor
MAX6581
Table 3. Command Byte Register Bit Assignment (continued)
*Duplicate entries.
REGISTER
ADDRESS
(HEX)
POR
VALUE
(HEX)
READ/
WRITE
DESCRIPTION
Remote 7 OVERT High
Limit
27
5A
R/W
Read/write channel 7 remote-diode overtemperature threshold limit
ALERT Low Limits (all
channels)
30
00
R/W
Read/write all channels alert low-temperature threshold limit
Configuration
41
00
R/W
Read/write configuration
ALERT Mask
42
00
R/W
Read/write ALERT mask
OVERT Mask
43
00
R/W
Read/write OVERT mask
ALERT High Status
44
00
R
Read ALERT high status
OVERT Status
45
00
R
Read OVERT status
Diode Fault Status
46
00
R
Read diode fault status
ALERT Low Status
47
00
R
Read ALERT low status
ALERT Low Disable
48
FF
R/W
Read/write ALERT low disable
Resistance Cancellation
4A
00
R/W
Read/write resistance cancellation enable bits (1 = On, 0 = Off)
Transistor Ideality
4B
00
R/W
Read/write ideality value for remote-sense transistor
Ideality Select
4C
00
R/W
Read/write ideality value selection bits (1 = selected transistor
ideality, 0 = 1.008)
Offset
4D
00
R/W
Read/write temperature offset value
Offset Select
4E
00
R/W
Read/write offset value selection bits (1 = value in Offset register,
0 = 0)
Remote 1 Extended
Bits*
51
00
R
Read channel 1 remote extended temperature
Remote 2 Extended Bits
52
00
R
Read channel 2 remote extended temperature
Remote 3 Extended Bits
53
00
R
Read channel 3 remote extended temperature
Remote 4 Extended Bits
54
00
R
Read channel 4 remote extended temperature
Remote 5 Extended Bits
55
00
R
Read channel 5 remote extended temperature
Remote 6 Extended Bits
56
00
R
Read channel 6 remote extended temperature
Local Extended Bits
57
00
R
Read local channel extended temperature
Remote 7 Extended Bits
58
00
R
Read channel 7 remote extended temperature
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