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ADM1024ARUZ Datasheet(PDF) 28 Page - ON Semiconductor

Part No. ADM1024ARUZ
Description  System Hardware Monitor with Remote Diode Thermal Sensing
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Maker  ONSEMI [ON Semiconductor]
Homepage  http://www.onsemi.com
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ADM1024ARUZ Datasheet(HTML) 28 Page - ON Semiconductor

 
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Table 17. Register 4Ah, Configuration Register 2 (Power−On Default, [7:0] = 0x00h)
Bit
Name
R/W
Description
0
Thermal INT Mask
R/W
Setting this bit masks the thermal interrupts for the INT output ONLY. The THERM
output will still be generated, regardless of the setting of this bit.
1
Ambient Temp Fan
Control Register Write
Once Bit
R/W once
Writing a 1 to this bit will lock in the values set into the ambient temperature
automatic fan control register 13h. This register will not be able to be written again
until a reset is performed (either POR, Hard Reset, or Soft Reset).
2
Remote Temp Fan
Control Register Write
Once Bit
R/W once
Writing a 1 to this bit will lock in the values set into the remote temperature automatic
fan control register 14h. This register will not be able to be written again until a reset
is performed (either POR, Hard Reset, or Soft Reset).
3
THERM
R/W
If this bit is 0, the THERM output operates in default mode.
Interrupt Mode
If this bit is 1, the THERM output operates in ACPI mode.
4, 5
Reserved
Read only
Reserved
6
IRQ3 EN
R/W
Setting this bit to 1 enables Pin 21 as an active high interrupt input, provided Pins 20
to 24 have been configured as interrupts by setting Bit 7 of the Channel Mode
Register. Power−on default = 0.
7
IRQ4 EN
R/W
Setting this bit to 1 enables Pin 20 as an active high interrupt input, provided Pins 20
to 24 have been configured as interrupts by setting Bit 7 of the Channel Mode
Register. Power−on default = 0.
Table 18. Register 4Ch, Interrupt Status Register 1 Mirror (Power−On Default, [7:0] = 00h)
Bit
Name
R/W
Description
0
2.5 V/Ext. Temp2 Error
Read only
A 1 indicates that a High or Low limit has been exceeded.
1
VCCP1 Error
Read only
A 1 indicates that a High or Low limit has been exceeded.
2
VCC Error
Read only
A 1 indicates that a High or Low limit has been exceeded.
3
5.0 V Error
Read only
A 1 indicates that a High or Low limit has been exceeded.
4
Internal Temp Error
Read only
A 1 indicates that a temperature interrupt has been set, or that a High or Low limit
has been exceeded.
5
External Temp1 Error
Read only
A 1 indicates that a temperature interrupt has been set, or that a High or Low limit
has been exceeded.
6
FAN1/AIN1 Error
Read only
A 1 indicates that a High or Low limit has been exceeded.
7
FAN2/AIN2 Error
Read only
A 1 indicates that a High or Low limit has been exceeded.
Table 19. Register 4Dh, Interrupt Status Register 2 Mirror (Power−On Default, [7:0] = 00h) (Note 1)
Bit
Name
R/W
Description
0
12 V Error
Read only
A 1 indicates a High or Low limit has been exceeded.
1
VCCP2 Error
Read only
A 1 indicates a High or Low limit has been exceeded.
2
Reserved
Read only
Undefined.
3
Reserved
Read only
Undefined.
4
Chassis Error
Read only
A 1 indicates Chassis Intrusion has gone high.
5
THERM Interrupt
Read only
Indicates that THERM pin has been pulled low by an external source.
6
D1 Fault
Read only
Short or Open−Circuit Sensor Diode D1.
7
D2 Fault
Read only
Short or Open−Circuit Sensor Diode D2.
1. An error that causes continuous interrupts to be generated may be masked in its respective mask register, until the error can be alleviated.
ORDERING INFORMATION
Device Order Number
Temperature Range
Package Type
Shipping
ADM1024ARUZ
0°C to +100°C
24−Lead TSSOP
62 Tube
ADM1024ARUZ−REEL
0°C to +100°C
24−Lead TSSOP
2500 Tape & Reel
†For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging
Specifications Brochure, BRD8011/D.
*The “Z’’ suffix indicates Pb−Free part.


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