Functional description – Rainbow Electronics LM80 User Manual
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Functional Description
(Continued)
2.1 Internal Registers of the LM80
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)
Power on
Value
Notes
Configuration Register
00h
0000 1000
Interrupt Status Register 1
01h
0000 0000
Interrupt Status Register 2
02h
0000 0000
Interrupt Mask Register 1
03h
0000 0000
Interrupt Mask Register 2
04h
0000 0000
Fan Divisor/RST_OUT/OS
Register
05h
0001 0100
FAN1 and FAN2 divisor = 2 (count of 153 =
4400 RPM)
OS/ Configuration and
Temperature Resolution
Register
06h
0000 0001
Value RAM
20h-3Fh
LM80
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