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參數(shù)資料
| 型號： | SC9200B |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | DTMF GENERATORS |
| 中文描述： | 雙音多頻發(fā)電機(jī) |
| 文件頁數(shù)： | 7/9頁 |
| 文件大?。?/td> | 124K |
| 代理商： | SC9200B |
Silan
Semiconductors
SC9200A/B
HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD
Rev: 1.0
2001.02.02
7
Table 2: Digits vs. input data vs. tone output frequency (parallel mode)
Digit
D3
D2
D1
D0
Tone Output Frequency
1
0
0
0
1
697+1209
2
0
0
1
0
697+1336
3
0
0
1
1
697+1477
4
0
1
0
0
770+1209
5
0
1
0
1
770+1336
6
0
1
1
0
770+1477
7
0
1
1
1
852+1209
8
1
0
0
0
852+1336
9
1
0
0
1
852+1477
0
1
0
1
0
941+1336
*
1
0
1
1
941+1209
#
1
1
0
0
941+1477
A
1
1
0
1
697+1633
B
1
1
1
0
770+1633
C
1
1
1
1
852+1633
D
0
0
0
0
941+1633
t
DE
X2
(Oscillator)
D0~D3
CE
DTMF
S/P
t
DE
Figure 2
*Note: The data (D0~D3) should be ready before the CE becomes low.
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