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EMC2104 Fiches technique(PDF) 38 Page - SMSC Corporation

No de pièce EMC2104
Description  Dual RPM-Based PWM Fan Controller with Hardware Thermal Shutdown
PDF  101 Pages
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Fabricant  SMSC [SMSC Corporation]
Site Internet  http://www.smsc.com
Logo SMSC - SMSC Corporation

EMC2104 Fiches technique(HTML) 38 Page - SMSC Corporation

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Dual RPM-Based PWM Fan Controller with Hardware Thermal Shutdown
Datasheet
Revision 1.74 (05-08-08)
38
SMSC EMC2104
DATASHEET
Chapter 6 Register Set
6.1
Register Map
The following registers are accessible through the SMBus Interface. All register bits marked as ‘-’ will
always read ‘0’. A write to these bits will have no effect.
Table 6.1 EMC2104 Register Set
ADDR
R/W
REGISTER
NAME
FUNCTION
DEFAULT
VALUE
LOCK
PAGE
Temperature Registers
00h
R
Internal Temp
Reading High
Byte
Stores the integer data of the Internal
Diode
00h
No
Page 50
01h
R
Internal Temp
Reading Low Byte
Stores the fractional data of the Internal
Diode
00h
No
Page 50
02h
R
External Diode 1
Temp Reading
High Byte
Stores the integer data of External
Diode 1 and VIN1 channel
00h
No
Page 50
03h
R
External Diode 1
Temp Reading
Low Byte
Stores the fractional data of External
Diode 1
00h
No
Page 50
04h
R
External Diode 2
Temp Reading
High Byte
Stores the integer data of External
Diode 2 and VIN2 channel
00h
No
Page 50
05h
R
External Diode 2
Temp Reading
Low Byte
Stores the fractional data of External
Diode 2
00h
No
Page 50
06h
R
External Diode 3
Temp Reading
High Byte
Stores the integer data of External
Diode 3 and VIN3 channel
00h
No
Page 50
07h
R
External Diode 3
Temp Reading
Low Byte
Stores the fractional data of External
Diode 3
00h
No
Page 50
08h
R
External Diode 4
Temp Reading
High Byte
Stores the integer data of External
Diode 4
00h
No
Page 50
09h
R
External Diode 4
Temp Reading
Low Byte
Stores the fractional data of External
Diode 4
00h
No
Page 50
0Ah
R
Critical/Thermal
Shutdown
Temperature
Stores the calculated Critical/Thermal
Shutdown temperature high limit
derived from the voltage on TRIP_SET
/ VIN4
7Fh
(+127°C)
No
Page 51
0Ch
R/W
Pushed
Temperature 1
Stores the integer data for Pushed
Temperature 1 to drive LUT 1
00h
No
Page 52



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