FM31T372/374/376/378-G
Calibration Adjustments for Offset/Aging
Positive Calibration for Slow Measured Clocks
Measured Frequency Range at +25°C
Error Range (PPM)
Min
Max
Min
Max
Program Calibration Register to:
512.0000
511.9995
0.00
-1.02
1000000
511.9995
511.9984
-1.02
-3.05
1000001
511.9984
511.9974
-3.05
-5.09
1000010
511.9974
511.9964
-5.09
-7.12
1000011
511.9964
511.9953
-7.12
-9.16
1000100
511.9953
511.9943
-9.16
-11.19
1000101
511.9943
511.9932
-11.19
-13.22
1000110
511.9932
511.9922
-13.22
-15.26
1000111
511.9922
511.9911
-15.26
-17.29
1001000
511.9911
511.9901
-17.29
-19.33
1001001
511.9901
511.9891
-19.33
-21.36
1001010
511.9891
511.9880
-21.36
-23.40
1001011
511.9880
511.9870
-23.40
-25.43
1001100
511.9870
511.9859
-25.43
-27.47
1001101
511.9859
511.9849
-27.47
-29.50
1001110
511.9849
511.9839
-29.50
-31.53
1001111
511.9839
511.9828
-31.53
-33.57
1010000
511.9828
511.9818
-33.57
-35.60
1010001
511.9818
511.9807
-35.60
-37.64
1010010
511.9807
511.9797
-37.64
-39.67
1010011
511.9797
511.9786
-39.67
-41.71
1010100
511.9786
511.9776
-41.71
-43.74
1010101
511.9776
511.9766
-43.74
-45.78
1010110
511.9766
511.9755
-45.78
-47.81
1010111
511.9755
511.9745
-47.81
-49.85
1011000
511.9745
511.9734
-49.85
-51.88
1011001
511.9734
511.9724
-51.88
-53.91
1011010
511.9724
511.9714
-53.91
-55.95
1011011
511.9714
511.9703
-55.95
-57.98
1011100
511.9703
511.9693
-57.98
-60.02
1011101
511.9693
511.9682
-60.02
-62.05
1011110
511.9682
511.9672
-62.05
-64.09
1011111
511.9672
511.9661
-64.09
-66.12
1100000
511.9661
511.9651
-66.12
-68.16
1100001
511.9651
511.9641
-68.16
-70.19
1100010
511.9641
511.9630
-70.19
-72.22
1100011
511.9630
511.9620
-72.22
-74.26
1100100
511.9620
511.9609
-74.26
-76.29
1100101
511.9609
511.9599
-76.29
-78.33
1100110
511.9599
511.9589
-78.33
-80.36
1100111
511.9589
511.9578
-80.36
-82.40
1101000
511.9578
511.9568
-82.40
-84.43
1101001
511.9568
511.9557
-84.43
-86.47
1101010
511.9557
511.9547
-86.47
-88.50
1101011
511.9547
511.9536
-88.50
-90.54
1101100
511.9536
511.9526
-90.54
-92.57
1101101
511.9526
511.9516
-92.57
-94.60
1101110
511.9516
511.9505
-94.60
-96.64
1101111
511.9505
511.9495
-96.64
-98.67
1110000
511.9495
511.9484
-98.67
-100.71
1110001
511.9484
511.9474
-100.71
-102.74
1110010
511.9474
511.9464
-102.74
-104.78
1110011
511.9464
511.9453
-104.78
-106.81
1110100
511.9453
511.9443
-106.81
-108.85
1110101
511.9443
511.9432
-108.85
-110.88
1110110
511.9432
511.9422
-110.88
-112.92
1110111
511.9422
511.9411
-112.92
-114.95
1111000
511.9411
511.9401
-114.95
-116.98
1111001
511.9401
511.9391
-116.98
-119.02
1111010
511.9391
511.9380
-119.02
-121.05
1111011
511.9380
511.9370
-121.05
-123.09
1111100
511.9370
511.9359
-123.09
-125.12
1111101
511.9359
511.9349
-125.12
-127.16
1111110
511.9349
511.9339
-127.16
-129.19
1111111
0
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
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
61
62
63
Rev. 1.1
Apr. 2011
Page 9 of 26
RAMTRON [ RAMTRON INTERNATIONAL CORPORATION ]
