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EMC2105 Datasheet(PDF) 39 Page - SMSC Corporation

Part # EMC2105
Description  RPM-Based High Side Fan Controller with Hardware Thermal Shutdown
PDF  90 Pages
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Manufacturer  SMSC [SMSC Corporation]
Direct Link  http://www.smsc.com
Logo SMSC - SMSC Corporation

EMC2105 Datasheet(HTML) 39 Page - SMSC Corporation

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RPM-Based High Side Fan Controller with Hardware Thermal Shutdown
Datasheet
SMSC EMC2105
39
Revision 1.72 (11-01-07)
DATASHEET
0Dh
R/W
Pushed
Temperature 2
Stores the integer data for Pushed
Temperature 2 to drive LUT
00h
No
Page 47
10h
R
Trip Set Voltage
Stores the raw measured TRIP_SET
voltage or the VIN4 analog voltage input
FFh
No
Page 48
Diode Configuration
14h
R/W
External Diode 1
Beta
Configuration
Configures the beta compensation
settings for External Diode 1
10h
SWL
Page 48
15h
R/W
External Diode 2
Beta
Configuration
Configures the beta compensation
settings for External Diode 2
10h
SWL
Page 48
16h
R/W
External Diode 3
Beta
Configuration
Configures the beta compensation
settings for External Diode 3
10h
SWL
Page 48
17h
R/W
External Diode
REC
Configuration
Configures the Resistance Error
Correction functionality for all external
diodes
07h
SWL
Page 49
19h
R/W
External Diode 1
Tcrit Limit
Stores the Critical temperature limit for
the External Diode 1
64h
(100°C)
Write
Lock
Page 50
1Ah
R/W
External Diode 2
Tcrit Limit
Stores the Critical temperature limit for
the External Diode 2
64h
(100°C)
Write
Lock
Page 50
1Bh
R/W
External Diode 3
Tcrit Limit
Stores the Critical temperature limit for
the External Diode 3
64h
(100°C)
Write
Lock
Page 50
1Ch
R/W
External Diode 4
Tcrit Limit
Stores the Critical temperature limit for
the External Diode 4
64h
(100°C)
Write
Lock
Page 50
1Dh
R/W
Internal Diode
Tcrit Limit
Stores the Critical temperature limit for
the Internal Diode
64h
(100°C)
Write
Lock
Page 50
Configuration and control
1Fh
R-C
Tcrit Limit Status
Stores the status bits for all temperature
channel Tcrit limits
00h
No
Page 53
20h
R/W
Configuration
Configures the Thermal / Critical
Shutdown masking options and
software lock
00h
SWL
Page 50
21h
R/W
Configuration 2
Controls the conversion rate for
monitoring of all channels
0Eh
SWL
Page 51
22h
R/W
Configuration 3
Controls the VIN1 - 3 channels
00h
SWL
Page 53
23h
R
Interrupt Status
Stores the status bits for temperature
channels
00h
No
Page 53
24h
R-C
High Limit Status
Stores the status bits for all temperature
channel high limits
00h
No
Page 54
25h
R-C
Low Limit Status
Stores the status bits for all temperature
channel low limits
00h
No
Page 54
Table 6.1 EMC2105 Register Set (continued)
ADDR
R/W
REGISTER
NAME
FUNCTION
DEFAULT
VALUE
LOCK
PAGE



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