EMC2102 Standard Microsystems Corporation, EMC2102 Datasheet - Page 47

• Manufacturer Part Number: EMC2102
• Description: Rpm-based Fan Controller with HW Thermal Shutdown
• Manufacturer: Standard Microsystems Corporation

RPM-Based Fan Controller with HW Thermal Shutdown
Datasheet
Appendix A TACH
Reading Table - 2000
RPM Range
SMSC EMC2102
Table A.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
28
DEC
Table - Limit2K = ‘1’
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
1C
HEX
491520
245760
163840
122880
98304
81920
70217
61440
54613
49152
44684
40960
37809
35109
32768
30720
28913
27307
25869
24576
23406
22342
21370
20480
19661
18905
18204
17554
RPM
Table A.1 TACH Reading
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
60
DEC
Table - Limit2K = ‘1’
DATASHEET
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
3C
HEX
47
16949
16384
15855
15360
14895
14456
14043
13653
13284
12935
12603
12288
11988
11703
11431
11171
10923
10685
10458
10240
10031
9830
9638
9452
9274
9102
8937
8777
8623
8474
8331
8192
RPM
Table A.1 TACH Reading
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
92
DEC
Table - Limit2K = ‘1’
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
5C
HEX
Revision 1.95 (10-19-06)
8058
7928
7802
7680
7562
7447
7336
7228
7123
7022
6923
6827
6733
6642
6554
6467
6383
6302
6222
6144
6068
5994
5922
5851
5783
5715
5650
5585
5523
5461
5401
5343
RPM