41 / 148 page
Clocking
September 5, 2002
Document #: 38-12010 CY Rev. ** CMS Rev. 3.20
41
7.2.2
24V1/24V2 Frequency Selection
The following table shows the resulting frequencies for
24V1 and 24V2 based on the value written to the
OSC_CR1 register.
Table 42:
24V1/24V2 Frequency Selection
Reg.
Value
24V1
MHz
24V2 kHz
Reg.
Value
24V1
MHz
24V2 kHz
Reg.
Value
24V1
MHz
24V2 kHz
Reg.
Value
24V1
MHz
24V2 kHz
00
24.00
24000.00
40
4.80
4800.00
80
2.67
2666.67
C0
1.85
1846.15
01
24.00
12000.00
41
4.80
2400.00
81
2.67
1333.33
C1
1.85
923.08
02
24.00
8000.00
42
4.80
1600.00
82
2.67
888.89
C2
1.85
615.38
03
24.00
6000.00
43
4.80
1200.00
83
2.67
666.67
C3
1.85
461.54
04
24.00
4800.00
44
4.80
960.00
84
2.67
533.33
C4
1.85
369.23
05
24.00
4000.00
45
4.80
800.00
85
2.67
444.44
C5
1.85
307.69
06
24.00
3428.57
46
4.80
685.71
86
2.67
380.95
C6
1.85
263.74
07
24.00
3000.00
47
4.80
600.00
87
2.67
333.33
C7
1.85
230.77
08
24.00
2666.67
48
4.80
533.33
88
2.67
296.30
C8
1.85
205.13
09
24.00
2400.00
49
4.80
480.00
89
2.67
266.67
C9
1.85
184.62
0A
24.00
2181.82
4A
4.80
436.36
8A
2.67
242.42
CA
1.85
167.83
0B
24.00
2000.00
4B
4.80
400.00
8B
2.67
222.22
CB
1.85
153.85
0C
24.00
1846.15
4C
4.80
369.23
8C
2.67
205.13
CC
1.85
142.01
0D
24.00
1714.29
4D
4.80
342.86
8D
2.67
190.48
CD
1.85
131.87
0E
24.00
1600.00
4E
4.80
320.00
8E
2.67
177.78
CE
1.85
123.08
0F
24.00
1500.00
4F
4.80
300.00
8F
2.67
166.67
CF
1.85
115.38
10
12.00
12000.00
50
4.00
4000.00
90
2.40
2400.00
D0
1.71
1714.29
11
12.00
6000.00
51
4.00
2000.00
91
2.40
1200.00
D1
1.71
857.14
12
12.00
4000.00
52
4.00
1333.33
92
2.40
800.00
D2
1.71
571.43
13
12.00
3000.00
53
4.00
1000.00
93
2.40
600.00
D3
1.71
428.57
14
12.00
2400.00
54
4.00
800.00
94
2.40
480.00
D4
1.71
342.86
15
12.00
2000.00
55
4.00
666.67
95
2.40
400.00
D5
1.71
285.71
16
12.00
1714.29
56
4.00
571.43
96
2.40
342.86
D6
1.71
244.90
17
12.00
1500.00
57
4.00
500.00
97
2.40
300.00
D7
1.71
214.29
18
12.00
1333.33
58
4.00
444.44
98
2.40
266.67
D8
1.71
190.48
19
12.00
1200.00
59
4.00
400.00
99
2.40
240.00
D9
1.71
171.43
1A
12.00
1090.91
5A
4.00
363.64
9A
2.40
218.18
DA
1.71
155.84
1B
12.00
1000.00
5B
4.00
333.33
9B
2.40
200.00
DB
1.71
142.86
1C
12.00
923.08
5C
4.00
307.69
9C
2.40
184.62
DC
1.71
131.87
1D
12.00
857.14
5D
4.00
285.71
9D
2.40
171.43
DD
1.71
122.45
1E
12.00
800.00
5E
4.00
266.67
9E
2.40
160.00
DE
1.71
114.29
1F
12.00
750.00
5F
4.00
250.00
9F
2.40
150.00
DF
1.71
107.14
20
8.00
8000.00
60
3.43
3428.57
A0
2.18
2181.82
E0
1.60
1600.00
21
8.00
4000.00
61
3.43
1714.29
A1
2.18
1090.91
E1
1.60
800.00
22
8.00
2666.67
62
3.43
1142.86
A2
2.18
727.27
E2
1.60
533.33
23
8.00
2000.00
63
3.43
857.14
A3
2.18
545.45
E3
1.60
400.00
24
8.00
1600.00
64
3.43
685.71
A4
2.18
436.36
E4
1.60
320.00
25
8.00
1333.33
65
3.43
571.43
A5
2.18
363.64
E5
1.60
266.67
26
8.00
1142.86
66
3.43
489.80
A6
2.18
311.69
E6
1.60
228.57
27
8.00
1000.00
67
3.43
428.57
A7
2.18
272.73
E7
1.60
200.00
28
8.00
888.89
68
3.43
380.95
A8
2.18
242.42
E8
1.60
177.78
29
8.00
800.00
69
3.43
342.86
A9
2.18
218.18
E9
1.60
160.00
2A
8.00
727.27
6A
3.43
311.69
AA
2.18
198.35
EA
1.60
145.45
2B
8.00
666.67
6B
3.43
285.71
AB
2.18
181.82
EB
1.60
133.33
2C
8.00
615.38
6C
3.43
263.74
AC
2.18
167.83
EC
1.60
123.08
2D
8.00
571.43
6D
3.43
244.90
AD
2.18
155.84
ED
1.60
114.29
2E
8.00
533.33
6E
3.43
228.57
AE
2.18
145.45
EE
1.60
106.67
2F
8.00
500.00
6F
3.43
214.29
AF
2.18
136.36
EF
1.60
100.00
30
6.00
6000.00
70
3.00
3000.00
B0
2.00
2000.00
F0
1.50
1500.00
31
6.00
3000.00
71
3.00
1500.00
B1
2.00
1000.00
F1
1.50
750.00
32
6.00
2000.00
72
3.00
1000.00
B2
2.00
666.67
F2
1.50
500.00
33
6.00
1500.00
73
3.00
750.00
B3
2.00
500.00
F3
1.50
375.00
34
6.00
1200.00
74
3.00
600.00
B4
2.00
400.00
F4
1.50
300.00
35
6.00
1000.00
75
3.00
500.00
B5
2.00
333.33
F5
1.50
250.00
36
6.00
857.14
76
3.00
428.57
B6
2.00
285.71
F6
1.50
214.29
37
6.00
750.00
77
3.00
375.00
B7
2.00
250.00
F7
1.50
187.50
38
6.00
666.67
78
3.00
333.33
B8
2.00
222.22
F8
1.50
166.67
39
6.00
600.00
79
3.00
300.00
B9
2.00
200.00
F9
1.50
150.00
3A
6.00
545.45
7A
3.00
272.73
BA
2.00
181.82
FA
1.50
136.36
3B
6.00
500.00
7B
3.00
250.00
BB
2.00
166.67
FB
1.50
125.00
3C
6.00
461.54
7C
3.00
230.77
BC
2.00
153.85
FC
1.50
115.38
3D
6.00
428.57
7D
3.00
214.29
BD
2.00
142.86
FD
1.50
107.14
3E
6.00
400.00
7E
3.00
200.00
BE
2.00
133.33
FE
1.50
100.00
3F
6.00
375.00
7F
3.00
187.5
BF
2.00
125.00
FF
1.50
93.75
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