LM80CIMT-3/NOPB National Semiconductor, LM80CIMT-3/NOPB Datasheet - Page 21

• Manufacturer Part Number: LM80CIMT-3/NOPB
• Description: IC MONITOR SYS HARDWAR 24-TSSOP
• Manufacturer: National Semiconductor
• Series: PowerWise®r

Specifications of LM80CIMT-3/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
• Number Of Voltages Monitored: 7
• Manual Reset: Not Resettable
• Watchdog: Watchdog
• Battery Backup Switching: No
• Power-up Reset Delay (typ): 500 ns
• Supply Voltage (max): 5.75 V
• Supply Voltage (min): 2.8 V
• Supply Current (typ): 200 uA (Typ)
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• 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
• Resolution (bits): 8bit
• Sensor Case Style: TSSOP
• No. Of Pins: 24
• Accuracy %: 3°C
• Rohs Compliant: Yes
• For Use With: LM80EVAL - EVALUATION BOARD FOR LM80
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: *LM80CIMT-3; *LM80CIMT-3/NOPB; LM80CIMT-3

Configuration Register
Interrupt Status Register 1
Interrupt Status Register 2
Interrupt Mask Register 1
Interrupt Mask Register 2
Fan Divisor/RST_OUT/OS
OS Configuration/Temperature
Resolution Register
Value RAM
7-0 Address Pointer
Bit
12.0 REGISTERS AND RAM
12.1 Address Register
The main register is the ADDRESS Register. The bit desig-
nations are as follows:
12.2 Address Pointer Index (A7–A0)
Bit 7
A7
Registers and RAM
Name
Bit 6
A6
Read/Write Address of RAM and Registers. See the tables below for detail.
Read/Write
Bit 5
A5
A6–A0 in Hex
Address Pointer (Power On default 00h)
20h–3Fh
00h
01h
02h
03h
04h
05h
06h
Bit 4
A4
21
Bit 3
A3
Description
Power On Value of Registers:
Bit 2
<7:0> in Binary
A2
0000 1000
0000 0000
0000 0000
0000 0000
0000 0000
0001 0100
0000 0001
Bit 1
A1
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Bit 0
A0