參數(shù)資料
型號: W925E625
英文描述: Telephone Controller
中文描述: 電話控制器
文件頁數(shù): 64/71頁
文件大小: 1055K
代理商: W925E625
W925E/C625
8-bit CID Microcontroller
Revision : A6
-64-
Release Date : 2002/7/2
A/B Wires
RNG
CIDE
TE DC load
TE AC load
FSKE
FCD
FDR
FCLK
FDATA
Line Reversal
Ring Burst
A
Ch. Seizure
C
Mark
D
Message
E
First Ring Cycle
B
F
...
...
...101010...
Data
Note 2
Note 3
Note 4
CIDF
...
...
250 - 400 ms
50 - 150 ms
Note 1
A = 200 - 450mS
B >= 500mS
C = 80 - 262mS
D = 45 - 262mS
E <= 2.5sec (500ms typical)
F >= 200mS
Figure 6-31 Input and Output Timing of CCA Caller Display Service Data Transmission
Notes:
1. The CPE designer may choose to set FSKE always high while the CPE is on-hook and the FSK signal is
expected.
2. TW/P & E/312 specifies that the AC and DC loads should be applied between 250 - 400 mS after the end of the
ring burst.
3. TW/P & E/312 specifies that the AC and DC loads should be removed between 50 - 150 ms after the end of the
FSK signal.
4. The CID may not be enable up at the first ring cycle after the FSK data had been processed.
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