ST M41T00AUD, Manual

Page: 26 / 44

Clock calibration M41T00AUD
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Table 6. Digital calibration values
Calibration value
DC4-DC0
Calibration result, in ppm, rounded to the nearest integer
Decimal Binary
Slowing
sign DCS = 0
Speeding
sign DCS = 1
0 00000 + 0 ppm – 0 ppm
1 00001 + 2 ppm – 4 ppm
2 00010 + 4 ppm – 8 ppm
3 00011 + 6 ppm – 12 ppm
4 00100 + 8 ppm – 16 ppm
5 00101 + 10 ppm – 20 ppm
6 00110 + 12 ppm – 24 ppm
7 00111 + 14 ppm – 28 ppm
8 01000 + 16 ppm – 33 ppm
9 01001 + 18 ppm – 37 ppm
10 01010 + 20 ppm – 41 ppm
11 01011 + 22 ppm – 45 ppm
12 01100 + 24 ppm – 49 ppm
13 01101 + 26 ppm – 53 ppm
14 01110 + 28 ppm – 57 ppm
15 01111 + 31 ppm – 61 ppm
16 10000 + 33 ppm – 65 ppm
17 10001 + 35 ppm – 69 ppm
18 10010 + 37 ppm – 73 ppm
19 10011 + 39 ppm – 77 ppm
20 10100 + 41 ppm – 81 ppm
21 10101 + 43 ppm – 85 ppm
22 10110 + 45 ppm – 90 ppm
23 10111 + 47 ppm – 94 ppm
24 11000 + 49 ppm – 98 ppm
25 11001 + 51 ppm – 102 ppm
26 11010 + 53 ppm – 106 ppm
27 11011 + 55 ppm – 110 ppm
28 11100 + 57 ppm – 114 ppm
29 11101 + 59 ppm – 118 ppm
30 11110 + 61 ppm – 122 ppm
31 11111 + 63 ppm – 126 ppm
N +N/491520 (per minute) –N/245760 (per minute)