參數(shù)資料
型號： FM30C256-S
廠商： Electronic Theatre Controls, Inc.
英文描述： 256Kb Data Collector
中文描述： 256Kb的數(shù)據(jù)采集器
文件頁數(shù)： 7/18頁
文件大小： 260K
代理商： FM30C256-S
Table 2. Calibration Adjustments
Positive Calibration for slow clocks: Calibration will achieve +/- 2.17 PPM after calibration
FM30C256
Rev 2.1
Dec. 2002
Page 7 of 18
Measured Frequency Range
Min
512.0000
511.9989
511.9967
511.9944
511.9922
511.9900
511.9878
511.9856
511.9833
511.9811
511.9789
511.9767
511.9744
511.9722
511.9700
511.9678
511.9656
511.9633
511.9611
511.9589
511.9567
511.9544
511.9522
511.9500
511.9478
511.9456
511.9433
511.9411
511.9389
511.9367
511.9344
511.9322
Error Range (PPM)
Min
0
2.18
6.52
10.86
15.20
19.54
23.88
28.22
32.56
36.90
41.24
45.58
49.92
54.26
58.60
62.94
67.28
71.62
75.96
80.30
84.64
88.98
93.32
97.66
102.00
106.34
110.68
115.02
119.36
123.70
128.04
132.38
Max
Max
2.17
6.51
10.85
15.19
19.53
23.87
28.21
32.55
36.89
41.23
45.57
49.91
54.25
58.59
62.93
67.27
71.61
75.95
80.29
84.63
88.97
93.31
97.65
101.99
106.33
110.67
115.01
119.35
123.69
128.03
132.37
136.71
Program Calibration Register to:
000000
100001
100010
100011
100100
100101
100110
100111
101000
101001
101010
101011
101100
101101
101110
101111
110000
110001
110010
110011
110100
110101
110110
110111
111000
111001
111010
111011
111100
111101
111110
111111
0
1
2
3
4
5
6
7
8
9
511.9989
511.9967
511.9944
511.9922
511.9900
511.9878
511.9856
511.9833
511.9811
511.9789
511.9767
511.9744
511.9722
511.9700
511.9678
511.9656
511.9633
511.9611
511.9589
511.9567
511.9544
511.9522
511.9500
511.9478
511.9456
511.9433
511.9411
511.9389
511.9367
511.9344
511.9322
511.9300
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
Measured Frequency Range
Min
512.0000
512.0011
512.0033
512.0056
512.0078
512.0100
512.0122
512.0144
512.0167
Error Range (PPM)
Min
0
2.18
6.52
10.86
15.20
19.54
23.88
28.22
32.56
Max
Max
2.17
6.51
10.85
15.19
19.53
23.87
28.21
32.55
36.89
Program Calibration Register to:
000000
000001
000010
000011
000100
000101
000110
000111
001000
0
1
2
3
4
5
6
7
8
512.0011
512.0033
512.0056
512.0078
512.0100
512.0122
512.0144
512.0167
512.0189
Negative Calibration for fast clocks: Calibration will achieve +/- 2.17 PPM after calibration
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