參數(shù)資料
型號: TEA7092TQ
廠商: 意法半導(dǎo)體
英文描述: TELEPHONE ANALOG FRONT END
中文描述: 電話模擬前端
文件頁數(shù): 45/57頁
文件大?。?/td> 574K
代理商: TEA7092TQ
AGC OFF
0 0 1 0 1 0 0
OFF-HOOK
HANDSET MODE
ON-HOOK
NUMERIC
KEY PRESSED
Yes
No
Fi Code
0 0 0 X X X X
Divider Code
1 X X X X X X
+
+
KEY CODE
0 0 0 XX XX
DIALINGCODE
0 0 1 0 0 0 1
DTMF SENT
MUTEMIC & EAR
0 0 1 0 0 1 0
INTER DIGIT PAUSE
SPEECHCODE
0 0 1 0 0 0 0
GROUP LISTENING CODE
0 1 1 0 0 0 1
GROUPLISTENING MODE
VOLUMECONTROL
0 1 0 0 X X X
UP/DOWN
No
Yes
ERRORBEEP
0 0 1 1 1 0 0
BEEPSENTIN THEEARPHONE
ANDIN THE LOUDSPEAKER
SPEECH CODE
0 0 1 0 0 0 0
NEW BEEP
No
Yes
GROUP LISTENING MODE
HANDSETCODE
0 1 1 0 0 0 0
HANDSET MODE
+6dB ON EARPHONE
0 0 1 0 1 1 0
NORMAL GAIN ON EARPHONE
0 0 1 0 1 1 0
ON-HOOK
TEA7092Initializated
in Default Mode
PON = 1 & RESET= 1
Configuration Code
AGC Inhibitedin Tx
& Rx Paths
DTMF Dialing
GroupListening
Requested
FILP-FLOP CODE
EarphoneLevel Change
Handset Mode Requested
OPERATINGCODE
Error Beep Mode
Loudspeaker Output
Level Adjustment
A
Figure 60 :
Flow Chart
IV - MICROCONTROLLER INTERFACE
(continued)
IV.3.2 - SoftwareExample
Sequence : ON-HOOK ; OFF-HOOK ; AGC OFF ; HANDSET ; DTMF dialing ; GROUP LISTENING ;
ERROR BEEP ; +6dB on earphone; Normal gain on earphone; ON-HOOK.
TEA7092 - TELEPHONE SET INTEGRATEDCIRCUIT
45/57
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