EMC2105_09 Datasheet, PDF (39/89 Pages) SMSC Corporation – RPM-Based High Side Fan Controller with Hardware Thermal Shutdown

RPM-Based High Side Fan Controller with Hardware Thermal Shutdown
Datasheet
Table 6.1 EMC2105 Register Set (continued)
ADDR
0Dh
10h
14h
15h
16h
17h
19h
1Ah
1Bh
1Ch
1Dh
1Fh
20h
21h
22h
23h
24h
25h
R/W
R/W
R
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R-C
R/W
R/W
R/W
R
R-C
R-C
REGISTER
NAME
Pushed
Temperature 2
Trip Set Voltage
External Diode 1
Beta
Configuration
External Diode 2
Beta
Configuration
External Diode 3
Beta
Configuration
External Diode
REC
Configuration
External Diode 1
Tcrit Limit
External Diode 2
Tcrit Limit
External Diode 3
Tcrit Limit
External Diode 4
Tcrit Limit
Internal Diode
Tcrit Limit
Tcrit Limit Status
Configuration
Configuration 2
Configuration 3
Interrupt Status
High Limit Status
Low Limit Status
FUNCTION
DEFAULT
VALUE LOCK
Stores the integer data for Pushed
Temperature 2 to drive LUT
00h
No
Stores the raw measured TRIP_SET
voltage or the VIN4 analog voltage input
FFh
No
Diode Configuration
Configures the beta compensation
settings for External Diode 1
10h
SWL
Configures the beta compensation
settings for External Diode 2
10h
SWL
Configures the beta compensation
settings for External Diode 3
Configures the Resistance Error
Correction functionality for all external
diodes
Stores the Critical temperature limit for
the External Diode 1
Stores the Critical temperature limit for
the External Diode 2
Stores the Critical temperature limit for
the External Diode 3
Stores the Critical temperature limit for
the External Diode 4
Stores the Critical temperature limit for
the Internal Diode
Configuration and control
Stores the status bits for all temperature
channel Tcrit limits
Configures the Thermal / Critical
Shutdown masking options and
software lock
Controls the conversion rate for
monitoring of all channels
Controls the VIN1 - 3 channels
Stores the status bits for temperature
channels
Stores the status bits for all temperature
channel high limits
Stores the status bits for all temperature
channel low limits
10h
07h
64h
(100°C)
64h
(100°C)
64h
(100°C)
64h
(100°C)
64h
(100°C)
00h
00h
0Eh
00h
00h
00h
00h
SWL
SWL
Write
Lock
Write
Lock
Write
Lock
Write
Lock
Write
Lock
No
SWL
SWL
SWL
No
No
No
PAGE
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Page 54
SMSC EMC2105
39
DATASHEET
Revision 1.78 (04-21-09)