參數(shù)資料
型號(hào): W925E625
英文描述: Telephone Controller
中文描述: 電話控制器
文件頁(yè)數(shù): 60/71頁(yè)
文件大?。?/td> 1055K
代理商: W925E625
W925E/C625
8-bit CID Microcontroller
Application Environment
There are three major timing differences for CID sequences, Bellcore, BT and CCA. Figure 6-27
is the timing diagram for Bellcore on-hook data transmission and Figure 6-28 is the timing
diagram for the Bellcore off-hook data transmission. Figure 6-29 is the timing diagram for the BT
caller display service on-hook data transmission and Figure 6-30 is the timing diagram for the BT
caller display service off-hook data transmission. Figure 6-31 is the timing diagram for the CCA
caller display service for on-hook data transmission. The CID flag (CIDF) must be cleared by
software when each time the CID interrupt routine is serviced. The CID global enable signal
(CIDE) must be set high.
Revision : A6
-60-
Release Date : 2002/7/2
Tip/Ring
RNG
FSKE
FCD
FDR
FCLK
FDATA
1st Ring
A
Ch. seizure
C
Mark
D
Message
E
2nd Ring
...
...101010...
B
F
Data
...
CIDF
...
...
A = 2 sec typical
B = 250-500mS
C = 250mS
D = 150mS
E = depend on data length
MAX C+D+E = 2.9 TO 3.7 sec
F >= 200mS
Figure 6-27 Input and Output Timing of Bellcore On-hook Data Transmission
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