參數(shù)資料
型號(hào): MT88E45BS
廠商: ZARLINK SEMICONDUCTOR INC
元件分類: 無繩電話/電話
英文描述: 4-Wire Calling Number Identification Circuit 2
中文描述: TELEPHONE CALLING NO IDENT CKT, PDSO20
封裝: 0.300 INCH, SOIC-20
文件頁數(shù): 21/28頁
文件大小: 488K
代理商: MT88E45BS
Data Sheet
MT88E45B
21
Figure 13 - 3-Wire FSK Data Interface Timing (Mode 0)
Figure 14 - 3-Wire FSK Data Interface Timing (Mode 1)
TIP/RING
(A/B) WIRES
DATA
(Output)
DCLK
(Output)
DR
(Output)
b7
b0 b1 b2 b3 b4 b5 b6 b7
b0 b1 b2 b3 b4 b5 b6 b7
b0 b1 b2 b3 b4 b5
b7
b0 b1 b2 b3 b4 b5 b6 b7
b0 b1 b2 b3 b4 b5 b6 b7
b0 b1 b2 b3
b6
stop
start
stop
start
stop
start
stop
start
stop
start
stop
start
t
IDD
t
CRD
t
RL
t
CL
t
CH
1/f
DCLK0
Demodulated Data
(Internal Signal)
DCLK (Data Clock)
(Schmitt Input)
DR (Data Ready)
(Output)
stop
start
stop
0
1
2
3
4
5
6
7
7
Word N
Word N+1
DATA
(Output)
5
Word N
Word N-1
1/f
DCLK1
t
RL
>t
DDH
The DCLK input must be low before and after DR falling edge.
Note 1: DCLK occurs during DR low and returns DR to high.
Note 2: DCLK occurs after DR, so DR is low for half a nominal bit time.
>t
DDS
4
3
2
1
0
6
7
stop
stop
7
0
Note 1
Note 2
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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