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Table 18.3 Clock Frequency and Waiting Time for Clock to Settle
DIV1 DIV0 STS2 STS1 STS0 Waiting Time 25 MHz 20 MHz 18 MHz 16 MHz 12 MHz 10 MHz 8 MHz 6 MHz 4 MHz 2 MHz 1MHz
0
0
0
0
0
0
0
1
0
1
0
0
1
1
1
0
0
1
0
1
1
1
0
1
1
1
0
1
0
0
0
0
0
1
0
1
0
0
1
1
1
0
0
1
0
1
1
1
0
1
1
1
1
0
0
0
0
0
0
1
0
1
0
0
1
1
1
0
0
1
0
1
1
1
0
1
1
1
1
1
0
0
0
0
0
1
0
1
0
0
1
1
1
0
0
1
0
1
1
1
0
1
1
1
: Recommended setting
446
8192 states
0.3
0.4
16384 states 0.7
0.8
32768 states 1.3
1.6
65536 states 2.6
3.3
131072 states 5.2
6.6
262144 states 10.5*
13.1*
1024 states
0.04
0.05
8192 states
0.7
0.8
16384 states 1.3
1.6
32768 states 2.6
3.3
65536 states 5.2
6.6
131072 states 10.5*
13.1*
262144 states 21.0
26.2
1024 states
0.08
0.10
8192 states
1.3
1.6
16384 states 2.6
3.3
32768 states 5.2
6.6
65536 states 10.5*
13.1*
131072 states 21.0
26.2
262144 states 41.9
52.4
1024 states
0.16
0.20
8192 states
2.6
3.3
16384 states 5.2
6.6
32768 states 10.5
13.1
65536 states 21.0*
26.2
131072 states 41.9
52.4
262144 states 83.9
104.9
1024 states
0.33
0.41
0.46
0.51
0.65
0.8
0.91
1.0
1.3
1.6
1.8
2.0
2.7
3.3
3.6
4.1
5.5
6.6
7.3*
8.2*
10.9*
13.1*
14.6
16.4
21.8
26.2
0.057
0.064
0.085
0.10
Illegal setting
0.91
1.02
1.4
1.6
1.8
2.0
2.7
3.3
3.6
4.1
5.5
6.6
7.3*
8.2*
10.9*
13.1*
14.6
16.4
21.8
26.2
29.1
32.8
43.7
52.4
0.11
0.13
0.17
0.20
Illegal setting
1.8
2.0
2.7
3.3
3.6
4.1
5.5
6.6
7.3*
8.2*
10.9*
13.1*
14.6
16.4
21.8
26.2
29.1
32.8
43.7
52.4
58.3
65.5
87.4
104.9
0.23
0.26
0.34
0.41
Illegal setting
3.6
4.1
5.5
6.6
7.3*
8.2*
10.9*
13.1*
14.6
16.4
21.8
26.2
29.1
32.8
43.7
52.4
58.3
65.5
87.4
104.9
116.5
131.1
174.8
209.7
0.46
0.51
0.68
0.82
Illegal setting
1.0
1.3
2.0
4.1
2.0
2.7
4.1
8.2*
4.1
5.5
8.2*
16.4
8.2*
10.9* 16.4
32.8
16.4 21.8 32.8
65.5
32.8 43.7 65.5
131.1
0.13 0.17 0.26
0.51
2.0
2.7
4.0
8.2*
4.1
5.5
8.2*
16.4
8.2*
10.9* 16.4
32.8
16.4 21.8 32.8
65.5
32.8 43.7 65.5
131.1
65.5 87.4 131.1 262.1
0.26 0.34 0.51
1.0
4.1
5.5
8.2*
16.4*
8.2*
10.9* 16.4
32.8
16.4 21.8 32.8
65.5
32.8 43.7 65.5
131.1
65.5 87.4 131.1 262.1
131.1 174.8 262.1 524.3
0.51 0.68 1.02
2.0
8.2*
10.9* 16.4* 32.8*
16.4 21.8 32.8
65.5
32.8 43.7 65.5
131.1
65.5 87.4 131.1 262.1
131.1 174.8 262.1 524.3
262.1 349.5 524.3 1048.6
1.0
1.4
2.0
4.1
Unit
8.2*
ms
16.4
32.8
65.5
131.1
262.1
1.0
16.4*
ms
32.8
65.5
131.1
262.1
524.3
2.0
32.8*
ms
65.5
131.1
262.1
524.3
1048.6
4.1
65.5
ms
131.1
262.1
524.3
1048.6
2097.1
8.2*
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