m41t93 STMicroelectronics, m41t93 Datasheet - Page 21

• Manufacturer Part Number: m41t93
• Description: Serial Spi Bus Rtc With Battery Switchover
• Manufacturer: STMicroelectronics

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