emc2103-3-kp-tr Standard Microsystems Corp., emc2103-3-kp-tr Datasheet - Page 38
emc2103-3-kp-tr
Manufacturer Part Number
emc2103-3-kp-tr
Description
Emc2103 Rpm-based Fan Controller With Hardware Thermal Shutdown
Manufacturer
Standard Microsystems Corp.
Datasheet
1.EMC2103-3-KP-TR.pdf
(85 pages)
- Current page: 38 of 85
- Download datasheet (2Mb)
Revision 0.88 (06-30-08)
ADDR
4Ah
4Bh
4Ch
4Dh
4Eh
49h
4Fh
50h
51h
52h
53h
54h
55h
56h
57h
58h
59h
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R
R
TACH Target High
LUT Configuration
TACH Target Low
Fan Valid TACH
Band High Byte
Band Low Byte
TACH Reading
TACH Reading
Fan Drive Fail
Fan Drive Fail
LUT Temp 1
LUT Temp 2
LUT Temp 3
LUT Temp 4
LUT Temp 1
LUT Temp 2
LUT Temp 3
LUT Drive 1
LUT Drive 2
REGISTER
High Byte
Low Byte
Setting 1
Setting 1
Setting 1
Setting 1
Setting 2
Setting 2
Setting 2
NAME
Count
Byte
Byte
Table 6.1 EMC2103 Register Set (continued)
Holds the minimum tachometer
reading that indicates the fan is
spinning properly
Stores the number of Tach counts
used to determine how the actual fan
speed must match the target fan
speed at full scale drive
Holds the target tachometer reading
low byte for the Fan
Holds the target tachometer reading
for the Fan
Holds the tachometer reading for the
Fan
Holds the tachometer reading low
byte for the Fan
Stores and controls the configuration
for the LUT
Stores the lowest programmed drive
setting for the LUT
Stores the threshold level for the
External Diode 1 channel that is
associated with the Drive 1 value
Stores the threshold level for the
External Diode 2 channel that is
associated with the Drive 1 value
Stores the threshold level for the
External Diode 3 channel (or Pushed
Temp 1 temp) that is associated with
the Drive 1 value
Stores the threshold level for the
Internal Diode channel (or Pushed
Temp 2 temp) that is associated with
the Drive 1 value
Stores the second programmed drive
setting for the LUT
Stores the threshold level for the
External Diode 1 channel that is
associated with the Drive 2 value
Stores the threshold level for the
External Diode 2 channel that is
associated with the Drive 2 value
Stores the threshold level for the
External Diode 3 channel (or Pushed
Temp 1 temp) that is associated with
the Drive 2 value
Look Up Table (LUT)
DATASHEET
FUNCTION
38
RPM-Based Fan Controller with HW Thermal Shutdown
DEFAULT
(127°C)
(127°C)
(127°C)
(127°C)
(127°C)
(127°C)
(127°C)
VALUE
FBh
F5h
F8h
FFh
FFh
F8h
7Fh
7Fh
7Fh
7Fh
E6h
7Fh
7Fh
7Fh
00h
00h
00h
LOCK
SWL
SWL
SWL
Lock
Lock
Lock
Lock
Lock
Lock
Lock
Lock
Lock
LUT
LUT
LUT
LUT
LUT
LUT
LUT
LUT
LUT
No
No
No
No
No
SMSC EMC2103
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PAGE
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