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EMC2103 Datasheet(PDF) 40 Page - Microchip Technology

Part # EMC2103
Description  RPM-Based Fan Controller with Hardware Thermal Shutdown
PDF  85 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

EMC2103 Datasheet(HTML) 40 Page - Microchip Technology

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RPM-Based Fan Controller with Hardware Thermal Shutdown
Datasheet
DS0005250A-page 40
 2013 Microchip Technology Inc.
49h
R/W
Fan Valid TACH
Count
Holds the minimum tachometer
reading that indicates the fan is
spinning properly
F5h
SWL
Page 63
4Ah
R/W
Fan Drive Fail
Band Low Byte
Stores the number of Tach counts
used to determine how the actual fan
speed must match the target fan
speed at full scale drive
00h
SWL
Page 64
4Bh
R/W
Fan Drive Fail
Band High Byte
00h
SWL
4Ch
R/W
TACH Target Low
Byte
Holds the target tachometer reading
low byte for the Fan
F8h
No
Page 64
4Dh
R/W
TACH Target High
Byte
Holds the target tachometer reading
for the Fan
FFh
No
Page 64
4Eh
R
TACH Reading
High Byte
Holds the tachometer reading for the
Fan
FFh
No
Page 65
4Fh
R
TACH Reading
Low Byte
Holds the tachometer reading low
byte for the Fan
F8h
No
Page 65
Look Up Table (LUT)
50h
R/W
LUT Configuration
Stores and controls the configuration
for the LUT
00h
No
Page 65
51h
R/W
LUT Drive 1
Stores the lowest programmed drive
setting for the LUT
FBh
LUT
Lock
Page 66
52h
R/W
LUT Temp 1
Setting 1
Stores the threshold level for the
External Diode 1 channel that is
associated with the Drive 1 value
7Fh
(127°C)
LUT
Lock
Page 66
53h
R/W
LUT Temp 2
Setting 1
Stores the threshold level for the
External Diode 2 channel that is
associated with the Drive 1 value
7Fh
(127°C)
LUT
Lock
Page 66
54h
R/W
LUT Temp 3
Setting 1
Stores the threshold level for the
External Diode 3 channel (or Pushed
Temp 1 temp) that is associated with
the Drive 1 value
7Fh
(127°C)
LUT
Lock
Page 66
55h
R/W
LUT Temp 4
Setting 1
Stores the threshold level for the
Internal Diode channel (or Pushed
Temp 2 temp) that is associated with
the Drive 1 value
7Fh
(127°C)
LUT
Lock
Page 66
56h
R/W
LUT Drive 2
Stores the second programmed drive
setting for the LUT
E6h
LUT
Lock
Page 66
57h
R/W
LUT Temp 1
Setting 2
Stores the threshold level for the
External Diode 1 channel that is
associated with the Drive 2 value
7Fh
(127°C)
LUT
Lock
Page 66
58h
R/W
LUT Temp 2
Setting 2
Stores the threshold level for the
External Diode 2 channel that is
associated with the Drive 2 value
7Fh
(127°C)
LUT
Lock
Page 66
59h
R/W
LUT Temp 3
Setting 2
Stores the threshold level for the
External Diode 3 channel (or Pushed
Temp 1 temp) that is associated with
the Drive 2 value
7Fh
(127°C)
LUT
Lock
Page 66
Table 6.1 EMC2103 Register Set (continued)
ADDR
R/W
REGISTER
NAME
FUNCTION
DEFAULT
VALUE
LOCK
PAGE



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