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

• Manufacturer Part Number: LM80CIMT-3
• Manufacturer: National Semiconductor

Specifications of LM80CIMT-3

• Watchdog Timer: Yes
• Chip Enable Signals: No
• Package Type: TSSOP
• Operating Supply Voltage (min): 2.8V
• Operating Supply Voltage (max): 5.75V
• Operating Temp Range: -25C to 125C
• Operating Temperature Classification: Commercial
• Power Fail Detection: No
• Mounting: Surface Mount
• Pin Count: 24
• Battery Backup Switching: No
• Manual Reset: No
• Lead Free Status / RoHS Status: Not Compliant

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