EMC6D102_07 Datasheet, PDF (83/86 Pages) SMSC Corporation – Fan Control Device with Hardware Monitoring and Acoustic Noise Reduction Features

Fan Control Device with Hardware Monitoring and Acoustic Noise Reduction Features
Datasheet
Appendix A ADC Voltage Conversion
Table A.1 Analog-to-Digital Voltage Conversions for Hardware Monitoring Block
12 V_IN
<0.062
0.062–0.125
0.125–0.188
0.188–0.250
0.250–0.313
0.313–0.375
0.375–0.438
0.438–0.500
0.500–0.563
…
4.000–4.063
…
8.000–8.063
…
12.000–
12.063
…
15.312–
15.375
15.375–
15.437
15.437–
15.500
15.500–
15.563
15.625–
15.625
15.625–
15.688
15.688–
15.750
INPUT VOLTAGE
5 V_IN
<0.026
0.026–0.052
0.052–0.078
0.078–0.104
0.104–0.130
0.130–0.156
0.156–0.182
0.182–0.208
0.208–0.234
…
1.666–1.692
…
3.330–3.560
V_CC
<0.0172
0.017–0.034
0.034–0.052
0.052–0.069
0.069–0.086
0.086–0.103
0.103–0.120
0.120–0.138
0.138–0.155
…
1.100–1.117
…
2.200–2.217
2.5 V_IN
<0.013
0.013–0.026
0.026–0.039
0.039–0.052
0.052–0.065
0.065–0.078
0.078–0.091
0.091–0.104
0.104–0.117
…
0.833–0.846
…
1.667–1.680
…
5.000–5.026
…
3.300–3.317
…
2.500–2.513
…
6.380–6.406
…
4.210–4.230
…
3.190–3.203
6.406–6.432 4.230–4.245 3.203–3.216
6.432–6.458 4.245–4.263 3.216–3.229
6.458–6.484 4.263–4.280 3.229–3.242
6.484–6.510 4.280–4.300 3.242–3.255
6.510–6.536 4.300–4.314 3.255–3.268
6.536–6.562 4.314–4.330 3.268–3.281
V_CCPIN
<0.012
0.012–0.023
0.023–0.035
0.035–0.047
0.047–0.058
0.058–0.070
0.070–0.082
0.082–0.093
0.093–0.105
…
0.749–0.761
…
1.499–1.511
…
2.249–2.261
…
2.869–2.881
A/D OUTPUT
Decimal
Binary
0
0000 0000
1
0000 0001
2
0000 0010
3
0000 0011
4
0000 0100
5
0000 0101
6
0000 0110
7
0000 0111
8
0000 1000
…
…
64 (1/4 Scale) 0100 0000
…
…
128 (1/2
Scale)
1000 0000
…
…
192 (3/4
Scale)
1100 0000
…
…
245
1111 0101
2.881–2.893
246
1111 0110
2.893–2.905
247
1111 0111
2.905–2.916
248
1111 1000
2.916–2.928
249
1111 1001
2.928–2.940
250
1111 1010
2.940–2.951
251
1111 1011
SMSC EMC6D102
83
DATASHEET
Revision 0.4 (09-25-07)