參數(shù)資料
型號: TEA7092TQ
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): 55/57頁
文件大?。?/td> 574K
代理商: TEA7092TQ
VI - RINGER FEATURES
(continued)
VI.6 - Ring Software
To generate the ring on the loudspeaker,the flowchart is in Figure72.
Figure72
ON-HOOK
RI = 1
Yes
No
RING START
0 0 1 0 0 0 1
GROUP LISTENINGCODE
0 1 1 0 0 0 1
Fi1 Code
0 0 0 X X X X
VOLUME
CHANGE
No
Yes
INIT CODE
0 1 0 1 0 0 0
Default : Gmax -28dB
(0 1 0 0 0 0 0)
RING MODE
VOLUME CONTROL CODE
0 1 0 0 X X X or 0 1 1 1 0 1 1
Divider 1 Code
1 X X X X X X
+
+
Fi2 Code
0 0 0 X X X X
Divider 2 Code
1 X X X X X X
+
+
FiN Code
0 0 0 X X X X
Divider N Code
1 X X X X X X
+
+
RI = 1
No
Yes
PON = 1
Yes
No
OFF-HOOK
WITH DEFAULT CONDITIONS
ON-HOOK
STEADY STATE
A
TEA7092 - TELEPHONE SET INTEGRATEDCIRCUIT
55/57
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