EMC2102 Standard Microsystems Corporation, EMC2102 Datasheet - Page 50
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EMC2102
Manufacturer Part Number
EMC2102
Description
Rpm-based Fan Controller with HW Thermal Shutdown
Manufacturer
Standard Microsystems Corporation
Datasheet
1.EMC2102.pdf
(52 pages)
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Appendix B TACH
Reading Table -
500RPM Range
Revision 1.95 (10-19-06)
Table B.1 TACH Reading
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
DEC
Table - Limit2K = ‘0’
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
10
11
12
13
14
15
16
17
18
19
1A
1B
HEX
122880
61440
40960
30720
24576
20480
17554
15360
13653
12288
11171
10240
9452
8777
8192
7680
7228
6827
6467
6144
5851
5585
5343
5120
4915
4726
4551
RPM
Table B.1 TACH Reading
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
DEC
Table - Limit2K = ‘0’
DATASHEET
1C
1D
1E
1F
20
21
22
23
24
25
26
27
28
29
2A
2B
2C
2D
2E
2F
30
31
32
33
34
35
36
37
38
39
3A
3B
HEX
50
4389
4237
4096
3964
3840
3724
3614
3511
3413
3321
3234
3151
3072
2997
2926
2858
2793
2731
2671
2614
2560
2508
2458
2409
2363
2318
2276
2234
2194
2156
2119
2083
RPM
RPM-Based Fan Controller with HW Thermal Shutdown
Table B.1 TACH Reading
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
DEC
Table - Limit2K = ‘0’
3C
3D
3E
3F
40
41
42
43
44
45
46
47
48
49
4A
4B
4C
4D
4E
4F
50
51
52
53
54
55
56
57
58
59
5A
5B
HEX
SMSC EMC2102
2048
2014
1982
1950
1920
1890
1862
1834
1807
1781
1755
1731
1707
1683
1661
1638
1617
1596
1575
1555
1536
1517
1499
1480
1463
1446
1429
1412
1396
1381
1365
1350
RPM
Datasheet