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AM79C30AVC 데이터시트(PDF) 35 Page - Advanced Micro Devices

부품명 AM79C30AVC
상세설명  Digital Subscriber Controller??(DSC?? Circuit
PDF  101 Pages
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제조업체  AMD [Advanced Micro Devices]
홈페이지  http://www.amd.com
Logo AMD - Advanced Micro Devices

AM79C30AVC 데이터시트(HTML) 35 Page - Advanced Micro Devices

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Am79C30A/32A Data Sheet
35
Secondary Tone Ringer Frequency Register (STRF), Read/Write; Address = Indirect 6EH
STRF is a Read/Write register controlling the frequency of the secondary tone ringer. Hex codes 7F and 00 are re-
served and should not be used. The coefficients are defined in Table 37.
Table 37.
Frequencies for Secondary Tone Ringer
Counter
Value
Frequency
(Hz)
Counter
Value
Frequency
(Hz)
Counter
Value
Frequency
(Hz)
Counter
Value
Frequency
(Hz)
3F
Reserved
3B
727.3
D8
369.2
F7
247.4
1F
Reserved
9D
716.4
6C
366.4
FB
246.2
0F
12000.0
4E
705.9
36
363.6
FD
244.9
87
9600.0
27
695.7
1B
360.9
7E
243.7
43
8000.0
13
685.7
8D
358.2
BF
242.4
A1
6857.1
09
676.1
C6
355.6
5F
241.2
D0
6000.0
04
666.7
E3
352.9
2F
240.0
E8
5333.3
82
657.5
F1
350.4
97
238.8
F4
4800.0
41
648.7
78
347.8
CB
237.6
7A
4363.6
A0
640.0
3C
345.3
65
236.5
3D
4000.0
50
631.6
9E
342.9
32
235.3
1E
3692.3
A8
623.4
CF
340.4
99
234.2
8F
3428.6
D4
615.4
E7
338.0
CC
233.0
C7
3200.0
6A
607.6
73
335.7
66
231.9
63
3000.0
B5
600.0
39
333.3
B3
230.8
B1
2823.5
DA
592.6
9C
331.0
59
229.7
58
2666.7
6D
585.4
CE
328.8
AC
228.6
2C
2526.3
B6
578.3
67
326.5
56
227.5
16
2400.0
5B
571.4
33
324.3
2B
226.4
0B
2285.7
AD
564.7
19
322.2
15
225.4
05
2181.8
D6
558.1
8C
320.0
8A
224.3
02
2087.0
6B
551.7
46
317.9
C5
223.3
01
2000.0
35
545.5
A3
315.8
62
222.2
80
1920.0
9A
539.3
D1
313.7
31
221.2
40
1846.2
4D
533.3
68
311.7
18
220.2
20
1777.8
A6
527.5
B4
308.7
0C
219.2
10
1714.3
D3
521.7
5A
307.7
06
218.2
88
1655.2
69
516.1
2D
305.7
83
217.2
C4
1600.0
34
510.6
96
303.8
C1
216.2
E2
1548.4
1A
505.3
4B
301.9
E0
215.3
71
1500.0
0D
500.0
25
300.0
70
214.3
38
1454.6
86
494.9
12
298.1
B8
213.3
1C
1411.8
C3
489.8
89
296.3
5C
212.4
8E
1371.4
E1
484.9
44
294.5
AE
211.5
47
1333.3
F0
480.0
A2
292.7
57
210.5
23
1297.3
F8
475.3
51
290.9
AB
209.6
91
1263.2
7C
470.6
28
289.2
55
208.7
48
1230.8
BE
466.0
94
287.4
AA
207.8
A4
1200.0
DF
461.5
4A
285.7
D5
206.9
D2
1170.7
6F
457.1
A5
284.0
EA
206.0
E9
1142.9
B7
452.8
52
282.4
F5
205.1
74
1116.3
DB
448.6
A9
280.7
FA
204.3
3A
1090.9
ED
444.4
54
279.1
7D
203.4
1D
1066.7
F6
440.4
2A
277.5
3E
202.5
0E
1043.5
7B
436.4
95
275.9
9F
201.7
07
1021.3
BD
432.4
CA
274.3
4F
200.8
03
1000.0
5E
428.6
E5
272.7
A7
200.0
81
979.6
AF
424.8
72
271.2
53
199.2
C0
960.0
D7
421.1
B9
269.7
29
198.4
60
941.2
EB
417.4
DC
268.2
14
197.5
30
923.1
75
413.8
EE
266.7
0A
196.7
98
905.7
BA
410.3
77
265.2
85
195.9
4C
888.9
5D
406.8
BB
263.7
42
195.1
26
872.7
2E
403.4
DD
262.3
21
194.3
93
857.1
17
400.0
6E
260.9
90
193.6
49
842.1
8B
396.7
37
259.5
C8
192.8



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