M41T00AUD_12 STMICROELECTRONICS [STMicroelectronics], M41T00AUD_12 Datasheet - Page 26

• Manufacturer Part Number: M41T00AUD_12
• Description: Serial real-time clock (RTC) with audio
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

Clock calibration
26/42
Table 6.
Decimal
Calibration value
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
0
1
2
3
4
5
6
7
8
9
DC4-DC0
N
Digital calibration values
Binary
00000
00001
00010
00011
00100
00101
00110
00111
01000
01001
01010
01011
01100
01101
01110
01111
10000
10001
10010
10011
10100
10101
10110
10111
11000
11001
11010
11011
11100
11101
11110
11111
Doc ID 13480 Rev 5
Calibration result, in ppm, rounded to the nearest integer
+N/491520 (per minute)
sign DCS = 0
+ 10 ppm
+ 12 ppm
+ 14 ppm
+ 16 ppm
+ 18 ppm
+ 20 ppm
+ 22 ppm
+ 24 ppm
+ 26 ppm
+ 28 ppm
+ 31 ppm
+ 33 ppm
+ 35 ppm
+ 37 ppm
+ 39 ppm
+ 41 ppm
+ 43 ppm
+ 45 ppm
+ 47 ppm
+ 49 ppm
+ 51 ppm
+ 53 ppm
+ 55 ppm
+ 57 ppm
+ 59 ppm
+ 61 ppm
+ 63 ppm
Slowing
+ 0 ppm
+ 2 ppm
+ 4 ppm
+ 6 ppm
+ 8 ppm
–N/245760 (per minute)
sign DCS = 1
– 102 ppm
– 106 ppm
– 110 ppm
– 114 ppm
– 118 ppm
– 122 ppm
– 126 ppm
Speeding
– 12 ppm
– 16 ppm
– 20 ppm
– 24 ppm
– 28 ppm
– 33 ppm
– 37 ppm
– 41 ppm
– 45 ppm
– 49 ppm
– 53 ppm
– 57 ppm
– 61 ppm
– 65 ppm
– 69 ppm
– 73 ppm
– 77 ppm
– 81 ppm
– 85 ppm
– 90 ppm
– 94 ppm
– 98 ppm
– 0 ppm
– 4 ppm
– 8 ppm
M41T00AUD