參數(shù)資料
型號(hào): AM79C32AVC
廠商: ADVANCED MICRO DEVICES INC
元件分類: 數(shù)字傳輸電路
英文描述: Digital Subscriber Controller⑩ (DSC⑩) Circuit
中文描述: DATACOM, DIGITAL SLIC, PQFP44
封裝: PLASTIC, TQFP-44
文件頁數(shù): 35/101頁
文件大?。?/td> 1607K
代理商: AM79C32AVC
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
(Hz)
Value
(Hz)
3F
Reserved
3B
727.3
1F
Reserved
9D
716.4
0F
12000.0
4E
705.9
87
9600.0
27
695.7
43
8000.0
13
685.7
A1
6857.1
09
676.1
D0
6000.0
04
666.7
E8
5333.3
82
657.5
F4
4800.0
41
648.7
7A
4363.6
A0
640.0
3D
4000.0
50
631.6
1E
3692.3
A8
623.4
8F
3428.6
D4
615.4
C7
3200.0
6A
607.6
63
3000.0
B5
600.0
B1
2823.5
DA
592.6
58
2666.7
6D
585.4
2C
2526.3
B6
578.3
16
2400.0
5B
571.4
0B
2285.7
AD
564.7
05
2181.8
D6
558.1
02
2087.0
6B
551.7
01
2000.0
35
545.5
80
1920.0
9A
539.3
40
1846.2
4D
533.3
20
1777.8
A6
527.5
10
1714.3
D3
521.7
88
1655.2
69
516.1
C4
1600.0
34
510.6
E2
1548.4
1A
505.3
71
1500.0
0D
500.0
38
1454.6
86
494.9
1C
1411.8
C3
489.8
8E
1371.4
E1
484.9
47
1333.3
F0
480.0
23
1297.3
F8
475.3
91
1263.2
7C
470.6
48
1230.8
BE
466.0
A4
1200.0
DF
461.5
D2
1170.7
6F
457.1
E9
1142.9
B7
452.8
74
1116.3
DB
448.6
3A
1090.9
ED
444.4
1D
1066.7
F6
440.4
0E
1043.5
7B
436.4
07
1021.3
BD
432.4
03
1000.0
5E
428.6
81
979.6
AF
424.8
C0
960.0
D7
421.1
60
941.2
EB
417.4
30
923.1
75
413.8
98
905.7
BA
410.3
4C
888.9
5D
406.8
26
872.7
2E
403.4
93
857.1
17
400.0
49
842.1
8B
396.7
Frequency
Counter
Frequency
Counter
Value
D8
6C
36
1B
8D
C6
E3
F1
78
3C
9E
CF
E7
73
39
9C
CE
67
33
19
8C
46
A3
D1
68
B4
5A
2D
96
4B
25
12
89
44
A2
51
28
94
4A
A5
52
A9
54
2A
95
CA
E5
72
B9
DC
EE
77
BB
DD
6E
37
Frequency
(Hz)
369.2
366.4
363.6
360.9
358.2
355.6
352.9
350.4
347.8
345.3
342.9
340.4
338.0
335.7
333.3
331.0
328.8
326.5
324.3
322.2
320.0
317.9
315.8
313.7
311.7
308.7
307.7
305.7
303.8
301.9
300.0
298.1
296.3
294.5
292.7
290.9
289.2
287.4
285.7
284.0
282.4
280.7
279.1
277.5
275.9
274.3
272.7
271.2
269.7
268.2
266.7
265.2
263.7
262.3
260.9
259.5
Counter
Value
F7
FB
FD
7E
BF
5F
2F
97
CB
65
32
99
CC
66
B3
59
AC
56
2B
15
8A
C5
62
31
18
0C
06
83
C1
E0
70
B8
5C
AE
57
AB
55
AA
D5
EA
F5
FA
7D
3E
9F
4F
A7
53
29
14
0A
85
42
21
90
C8
Frequency
(Hz)
247.4
246.2
244.9
243.7
242.4
241.2
240.0
238.8
237.6
236.5
235.3
234.2
233.0
231.9
230.8
229.7
228.6
227.5
226.4
225.4
224.3
223.3
222.2
221.2
220.2
219.2
218.2
217.2
216.2
215.3
214.3
213.3
212.4
211.5
210.5
209.6
208.7
207.8
206.9
206.0
205.1
204.3
203.4
202.5
201.7
200.8
200.0
199.2
198.4
197.5
196.7
195.9
195.1
194.3
193.6
192.8
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