emc2105 Standard Microsystems Corp., emc2105 Datasheet - Page 46
emc2105
Manufacturer Part Number
emc2105
Description
Emc2105 Rpm-based High Side Fan Controller With Hardware Thermal Shutdown
Manufacturer
Standard Microsystems Corp.
Datasheet
1.EMC2105.pdf
(91 pages)
- Current page: 46 of 91
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ADDR
05h
06h
07h
08h
09h
APPLICATION NOTE: When each of the External Diode 1, External Diode 2, or External Diode 3 channels are
Revision 1.74 (05-08-08)
R/W
R
R
R
R
R
TEMPERATURE (°C)
The temperature measurement range is from -64°C to +128°C. The data format is a signed two’s
complement number as shown in
Diode Fault
Diode 3 High
Diode 4 High
Diode 2 Low
Diode 3 Low
Diode 4 Low
REGISTER
-63.875
-0.125
External
External
External
External
External
0.125
-63
VIN3
63
64
65
Byte
Byte
Byte
Byte
Byte
-1
0
1
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
Table 6.2 Temperature Data Registers (continued)
Sign
Sign
400
0.5
0.5
0.5
B7
Table 6.3 Temperature Data Format
0.25
0.25
0.25
200
B6
64
64
Section
Table
DATASHEET
0.125
0.125
0.125
RPM-Based High Side Fan Controller with Hardware Thermal Shutdown
100
B5
32
32
6.3.
1000_0000_000b
0000_0000_000b
0000_0000_001b
0000_0001_000b
0100_0000_000b
0100_0001_000b
1100_0000_001b
1100_0001_000b
0011_1111_000b
1111_1111_000b
1111_1111_111b
6.17).
46
BINARY
B4
16
50
16
-
-
-
B3
25
8
8
-
-
-
13.5
B2
4
4
-
-
-
HEX (AS READ BY
6.25
B1
2
2
REGISTERS)
-
-
-
FF_E0h
C0_20h
C1_00h
FF_00h
80_00h
00_00h
00_20h
01_00h
3F_00h
40_00h
41_00h
3.125
B0
SMSC EMC2105
1
1
-
-
-
Datasheet
DEFAULT
00h
00h
00h
00h
00h
00h
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