Datasheet

14 Maxim Integrated
±1°C 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