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EMC2104 Fiches technique(PDF) 50 Page - SMSC Corporation

No de pièce EMC2104
Description  Dual RPM-Based PWM Fan Controller with Hardware Thermal Shutdown
PDF  101 Pages
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Fabricant  SMSC [SMSC Corporation]
Site Internet  http://www.smsc.com
Logo SMSC - SMSC Corporation

EMC2104 Fiches technique(HTML) 50 Page - SMSC Corporation

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Dual RPM-Based PWM Fan Controller with Hardware Thermal Shutdown
Datasheet
Revision 1.74 (05-08-08)
50
SMSC EMC2104
DATASHEET
6.2
Temperature Data Registers
The temperature measurement range is from -64°C to +128°C. The data format is a signed two’s
complement number as shown in Table 6.3.
APPLICATION NOTE: When each of the External Diode 1, External Diode 2, or External Diode 3 channels are
configured as a voltage input, the voltage data will be stored in the corresponding data
register. Each bit weight represents XmV of resolution so that the final voltage can be
determined by adding the appropriately set bits together. This data will be compared against
the limits normally (see Section 6.19).
Table 6.2 Temperature Data Registers
ADDR
R/W
REGISTER
B7
B6
B5
B4
B3
B2
B1
B0
DEFAULT
00h
R
Internal Diode
High Byte
Sign
64
32
16
8
4
2
1
00h
01h
R
Internal Diode
Low Byte
0.5
0.25
0.125
-
-
-
-
-
00h
02h
R
External
Diode 1 High
Byte
Sign
64
32
16
8
4
2
1
00h
VIN1
400
200
100
50
25
13.5
6.25
3.125
00h
03h
R
External
Diode 1 Low
Byte
0.5
0.25
0.125
-
-
-
-
-
00h
04h
R
External
Diode 2 High
Byte
Sign
64
32
16
8
4
2
1
00h
VIN2
400
200
100
50
25
13.5
6.25
3.125
00h
05h
R
External
Diode 2 Low
Byte
0.5
0.25
0.125
-
-
-
-
-
00h
06h
R
External
Diode 3 High
Byte
Sign
64
32
16
8
4
2
1
00h
VIN3
400
200
100
50
25
13.5
6.25
3.125
00h
07h
R
External
Diode 3 Low
Byte
0.5
0.25
0.125
-
-
-
-
-
00h
08h
R
External
Diode 4 High
Byte
Sign
64
32
16
8
4
2
1
00h
09h
R
External
Diode 4 Low
Byte
0.5
0.25
0.125
-
-
-
-
-
00h



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