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參數(shù)資料
| 型號： | TEA7092TQT |
| 廠商： | 意法半導體 |
| 英文描述： | TELEPHONE ANALOG FRONT END |
| 中文描述： | 電話模擬前端 |
| 文件頁數(shù)： | 41/57頁 |
| 文件大小： | 574K |
| 代理商： | TEA7092TQT |
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a0
a1
a2
a3
a4
a5
a6
t1
t1
t2
t1
t1
t1 > 1
μ
s ; t2 > 2
μ
s
Synchro
Datas should Change During Clk = 1
A Standard8-bit Code can be Sent, the Last One is Ignored
CLK
Pin 13
DATA
Pin 14
A
Figure59
IV - MICROCONTROLLER INTERFACE
(continued)
IV.3 - SerialBus Interface
IV.3.1 - DifferentCodes
The serial bus interface works with 7 significant
bits, a standard8 bit code can be used, TEA7092
only takescare of the seven first bits.
Figure59 shows the timing of thePinCLK(Pin 19)
and of the Pin DATA(Pin 20).
TEA7092Initialization
After Pin RESET (Pin 11) goes high, TEA7092 is
initialized, the internal default programmed codes
are given in
Bold
in the followingcode tables.
Codes programming TEA7092 are :
- The
MODE
codes :
The mode codes are the upperlevel of codes.
Codes
Remarks
a6 a5 a4 a3 a2 a1 a0
0
1
1
0
0
1
1
0
0
1
1
0
0
0
0
0
0
1
0
1
0
Handset Mode
Group ListeningMode
Handsfree Mode
- The
OPERATING
codeswhich are related to the
MODE codes :
Each operating code can be used under each
mode code. When an operatingcode is sent, the
previous one is cancelled.
Codes
Remarks
a6 a5 a4 a3 a2 a1 a0
0
0
1
0
0
0
0
Speech
0
0
1
0
0
0
1
Dialing
0
0
1
0
0
1
0
Mute in Transmit and
Receive Paths
0
0
1
0
0
1
1
Mute in Transmit Path
0
0
1
1
1
0
0
Error Beep
0
0
1
1
1
0
1
Sine wave
High Frequency Group
0
0
1
1
1
1
0
Sine wave
Low Frequency Group
TEA7092 - TELEPHONE SET INTEGRATEDCIRCUIT
41/57
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