參數(shù)資料
型號: TWL1103TPBSRQ1
廠商: TEXAS INSTRUMENTS INC
元件分類: 消費家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP32
封裝: PLASTIC, TQFP-32
文件頁數(shù): 17/30頁
文件大?。?/td> 458K
代理商: TWL1103TPBSRQ1
TWL1103T Q1
VOICEBAND AUDIO PROCESSOR (VBAP)
SGLS120B APRIL 2002 REVISED APRIL 2008
24
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
PRINCIPLES OF OPERATION
DTMF generator operation and interface (continued)
Table 9. Typical DTMF and Single Tone Control
DT7
DT6
DT5
DT4
DT3
DT2
DT1
DT0
INTEGER
VALUE
TONE
FUNCTION
TONE/HZ
0
OFF
0
1
0
1
0
1
45
F
349
0
1
0
1
47
F#
370
0
1
0
1
0
50
G
392
0
1
0
1
0
1
53
G#
415
0
1
0
56
A
440
0
1
0
60
A#
466
0
1
63
B
494
0
1
0
1
67
C
523
0
1
0
1
71
C#
554
0
1
0
1
0
1
75
D
587
0
1
0
1
0
80
D#
622
0
1
0
1
0
1
0
84
E
659
0
1
0
1
0
1
89
F
698
0
1
0
1
95
F#
740
0
1
0
1
0
100
G
784
0
1
0
1
0
1
0
106
G#
831
0
1
0
1
113
A
880
0
1
0
1
119
A#
932
0
1
0
126
B
988
1
0
1
0
134
C
1047
1
0
1
0
142
C#
1109
1
0
1
0
1
0
150
D
1175
1
0
1
159
D#
1245
1
0
1
0
1
0
1
169
E
1319
1
0
1
0
1
179
F
1397
1
0
1
0
1
189
F#
1480
1
0
1
0
1
201
G
1568
1
0
1
0
1
0
1
213
G#
1661
1
0
1
225
A
1760
1
0
1
239
A#
1865
1
0
1
253
B
1976
0
1
0
1
0
1
89
DTMF Low
697
0
1
0
1
99
DTMF Low
770
0
1
0
1
0
1
109
DTMF Low
852
0
1
0
120
DTMF Low
941
1
0
1
0
1
155
DTMF HIgh
1209
1
0
1
0
1
0
1
171
DTMF HIgh
1336
1
0
1
0
1
189
DTMF HIgh
1477
1
0
1
0
1
209
DTMF HIgh
1633
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