LM80CIMT-5/NOPB National Semiconductor, LM80CIMT-5/NOPB Datasheet - Page 24

• Manufacturer Part Number: LM80CIMT-5/NOPB
• Description: IC MONITOR SYS HARDWAR 24-TSSOP
• Manufacturer: National Semiconductor
• Series: PowerWise®r

Specifications of LM80CIMT-5/NOPB

• Function: Hardware Monitor
• Topology: ADC, Comparator, Fan Speed Counter, Register Bank
• Sensor Type: External & Internal
• Sensing Temperature: -25°C ~ 125°C, External Sensor
• Output Type: I²C™
• Output Alarm: No
• Output Fan: No
• Voltage - Supply: 2.8 V ~ 5.75 V
• Operating Temperature: -25°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 24-TSSOP
• Manual Reset: Not Resettable
• Watchdog: Watchdog
• Battery Backup Switching: No
• Supply Voltage (max): 5.75 V
• Supply Voltage (min): 2.8 V
• Supply Current (typ): 200 uA (Typ)
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: - 25 C
• Power Fail Detection: No
• Ic Output Type: Digital
• Sensing Accuracy Range: ± 3°C
• Supply Current: 200µA
• Supply Voltage Range: 2.8V To 5.75V
• Sensor Case Style: TSSOP
• No. Of Pins: 24
• Filter Terminals: Solder
• Rohs Compliant: Yes
• Accuracy %: 3°C
• For Use With: LM80EVAL - EVALUATION BOARD FOR LM80
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: *LM80CIMT-5; *LM80CIMT-5/NOPB; LM80CIMT-5

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Bit
0
1
2
3
4
5
6
7
12.7 Interrupt Mask Register 2—Address 04h
Power on default <7:0> = 0000 0000 binary
Hot Temperature
BTI
FAN1
FAN2
CI (Chassis
Intrusion)
OS bit
Hot Temperature
Interrupt mode
select
OS bit Interrupt
mode select
Name
Read/Write
Read/Write A one disables the corresponding interrupt status bit for INT interrupt.
Read/Write A one disables the corresponding interrupt status bit for INT interrupt.
Read/Write A one disables the corresponding interrupt status bit for INT interrupt.
Read/Write A one disables the corresponding interrupt status bit for INT interrupt.
Read/Write A one disables the corresponding interrupt status bit for INT interrupt.
Read/Write A one disables the corresponding interrupt status bit for INT interrupt.
Read/Write A zero selects the default interrupt mode which gives the user an interrupt if the temperature
Read/Write A zero selects the default interrupt mode which gives the user an interrupt if the temperature
goes above the hot limit. The interrupt will be cleared once the status register is read, but it will
again be generated when the next conversion has completed. It will continue to do so until the
temperature goes below the hysteresis limit.
A one selects the one time interrupt mode which only gives the user one interrupt when it goes
above the hot limit. The interrupt will be cleared once the status register is read. Another in-
terrupt will not be generated until the temperature goes below the hysteresis limit. It will also
be cleared if the status register is read. No more interrupts will be generated until the temper-
ature goes above the hot limit again. The corresponding bit will be cleared in the status register
every time it is read but may not set again when the next conversion is done. (See
in Section 7.0)
goes above the hot limit. The interrupt will be cleared once the status register is read, but it will
again be generated when the next conversion has completed. It will continue to do so until the
temperature goes below the hysteresis limit.
A one selects the one time interrupt mode which only gives the user one interrupt when it goes
above the hot limit. The interrupt will be cleared once the status register is read. Another in-
terrupt will not be generated until the temperature goes below the hysteresis limit. It will also
be cleared if the status register is read. No more interrupts will be generated until the temper-
ature goes above the hot limit again. The corresponding bit will be cleared in the status register
every time it is read but may not set again when the next conversion is done. (See Sec-
tionFigure 10
Section 7.0)
24
Description
Figure 10