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LM94 Datasheet(PDF) 13 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor. Click here to check the latest version.
Part # LM94
Description  TruTherTM Hardware Monitor with PI Loop Fan Control for Server Management
PDF  24 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

LM94 Datasheet(HTML) 13 Page - National Semiconductor (TI)

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13.0 Registers (Continued)
Lock
Register Name
Address
Description
VALUE REGISTERS SECTION 2
Average P1_PROCHOT
68h
Average P1_PROCHOT throttle percentage
Current P2_PROCHOT
69h
Measured P2_PROCHOT throttle percentage
Average P2_PROCHOT
6Ah
Average P2_PROCHOT throttle percentage
GPI State
6Bh
Current GPIO state
P1_VID
6Ch
Current VID value of Processor 1
P2_VID
6Dh
Current VID value of Processor 2
FAN Tach 1 LSB
6Eh
Measured FAN Tach 1 LSB
FAN Tach 1 MSB
6Fh
Measured FAN Tach 1 MSB
FAN Tach 2 LSB
70h
Measured FAN Tach 2 LSB
FAN Tach 2 MSB
71h
Measured FAN Tach 2 MSB
FAN Tach 3 LSB
72h
Measured FAN Tach 3 LSB
FAN Tach 3 MSB
73h
Measured FAN Tach 3 MSB
FAN Tach 4 LSB
74h
Measured FAN Tach 4 LSB
FAN Tach 4 MSB
75h
Measured FAN Tach 4 MSB
Reserved
76h-77h
TEMPERATURE LIMIT REGISTERS
Zone 1 (CPU1) Low Temp
78h
Low limit for external thermal diode temperature channel 1 (D1)
measurement
Zone 1 (CPU1) High Temp
79h
High limit for external thermal diode temperature channel 1
(D1) measurement
Zone 2 (CPU2) Low Temp
7Ah
Low limit for external thermal diode temperature channel 2 (D2)
measurement
Zone 2 (CPU2) High Temp
7Bh
High limit for external thermal diode temperature channel 2
(D2) measurement
Zone 3 (Internal) Low Temp
7Ch
Low limit for local temperature measurement
Zone 3 (Internal) High Temp
7Dh
High limit for local temperature measurement
Zone 4 (External Digital) Low Temp
7Eh
Low limit for external digital temperature sensor
Zone 4 (External Digital) High Temp
7Fh
High limit for external digital temperature sensor
x
Fan Boost Temp Zone 1
80h
Zone 1 (CPU1) fan boost temperature
x
Fan Boost Temp Zone 2
81h
Zone 2 (CPU2) fan boost temperature
x
Fan Boost Temp Zone 3
82h
Zone 3 (Internal) fan boost temperature
x
Fan Boost Temp Zone 4
83h
Zone 4 (External Digital) fan boost temperature
Zone1 and Zone 2 Hysteresis
84h
Zone 1 and Zone 2 hysteresis for limit comparisons
Zone 3 and Zone 4 Hysteresis
85h
Zone 3 and Zone 4 hysteresis for limit comparisons
Reserved
86h-8Dh
ZONE 1b and 2b TEMPERATURE READING ADJUSTMENT REGISTERS
Zone 1b Temp Adjust
8Eh
Allows all Zone 1b temperature measurements to be adjusted
by a programmable offset.
Zone 2b Temp Adjust
8Fh
Allows all Zone 2b temperature measurements to be adjusted
by a programmable offset.
www.national.com
13



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