Functional Description
2.1 Internal Registers of the LM80
(Continued)
TABLE 1. The internal registers and their corresponding internal LM80 address is as follows:
Register
LM80 Internal Hex
Address (This is the
data to be written to
the Address Register)
00h
01h
02h
03h
04h
05h
06h
Power on
Value
Notes
Configuration Register
Interrupt Status Register 1
Interrupt Status Register 2
Interrupt Mask Register 1
Interrupt Mask Register 2
Fan Divisor/RST_OUT/OS
Register
OS/ Configuration and
Temperature Resolution
Register
Value RAM
0000 1000
0000 0000
0000 0000
0000 0000
0000 0000
0001 0100
0000 0001
FAN1 and FAN2 divisor = 2 (count of 153 =
4400 RPM)
20h-3Fh
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