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EMC2101-R-ACZL-TR датащи(PDF) 31 Page - SMSC Corporation

номер детали EMC2101-R-ACZL-TR
подробное описание детали  SMBus Fan Control with 1째C Accurate Temperature Monitoring
PDF  57 Pages
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производитель  SMSC [SMSC Corporation]
домашняя страница  http://www.smsc.com
Logo SMSC - SMSC Corporation

EMC2101-R-ACZL-TR датащи(HTML) 31 Page - SMSC Corporation

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SMBus Fan Control with 1°C Accurate Temperature Monitoring
Datasheet
SMSC EMC2101
31
Revision 2.54 (06-16-09)
DATASHEET
17h
R/W
External Diode Ideality
Factor
Sets ideality factor based
on diode type
12h
(1.008)
Page 38
18h
R/W
Beta Compensation Factor
Compensates for
transistors with various
beta factors
08h
Page 39
19h
R/W
TCRIT Temp Limit
Fan will be set to full speed
if external temp above this
value
55h
(85°C)
Page 36
21h
R/W
TCRIT Hysteresis
Amount of hysteresis
applied to TCRIT Temp
(1LSB = 1°C)
0Ah
(10°C)
Page 36
46h
R
TACH Reading Low Byte
Stores the lower 6 bits of
the TACH count. and the
TACH configuration bits
FFh
Page 40
47h
R
TACH Reading High Byte
Stores the upper 8 bits of
the TACH count.
FFh
Page 40
48h
R/W
TACH Limit Low Byte
Stores the lower 6 bits of
the TACH Limit
FFh
Page 40
49h
R/W
TACH Limit High Byte
Stores the upper 8 bits of
the TACH Limit
FFh
Page 40
4Ah
R/W
FAN Configuration
defines polarity of PWM or
DAC
20h
Page 41
4Bh
R/W
Fan Spin-up
Sets Spin Up options
3Fh
Page 42
4Ch
R/W
Fan Setting
Sets PWM or DAC value
00h
Page 43
4Dh
R/W
PWM Frequency
Sets the final PWM
Frequency
17h
Page 44
4Eh
R/W
PWM Frequency Divide
Sets the base PWM
frequency
01h
Page 44
4Fh
R/W
Lookup Table Hysteresis
Amount of hysteresis
applied to Lookup Table
Temp (1LSB = 1°C)
04h
(4°C)
Page 45
50h
R/W (See
Note 6.1)
Lookup Table Temp Setting 1
Look Up Table
Temperature Setting 1
7Fh
Page 46
51h
R/W (See
Note 6.1)
Lookup Table Fan Setting 1
Associated Fan Setting for
Temp Setting 1
3Fh
Page 46
52h
R/W (See
Note 6.1)
Lookup Table Temp Setting 2
Look Up Table
Temperature Setting 2
7Fh
Page 46
53h
R/W (See
Note 6.1)
Lookup Table Fan Setting 2
Associated Fan Setting for
Temp Setting 2
3Fh
Page 46
54h
R/W (See
Note 6.1)
Lookup Table Temp Setting 3
Look Up Table
Temperature Setting 3
7Fh
Page 46
55h
R/W (See
Note 6.1)
Lookup Table Fan Setting 3
Associated Fan Setting for
Temp Setting 3
3Fh
Page 46
56h
R/W (See
Note 6.1)
Lookup Table Temp Setting 4
Look Up Table
Temperature Setting 4
7Fh
Page 46
Table 6.1 Register Set in Hexadecimal Order (continued)
REGISTER
ADDRESS
R/W
REGISTER NAME
FUNCTION
DEFAULT
VALUE
PAGE



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