參數(shù)資料
型號: MT8888CE
廠商: ZARLINK SEMICONDUCTOR INC
元件分類: 信令電路
英文描述: Integrated DTMF Transceiver with Intel Micro Interface
中文描述: TELECOM, DTMF SIGNALING CIRCUIT, PDIP20
封裝: PLASTIC, MS-001AD, DIP-20
文件頁數(shù): 8/25頁
文件大?。?/td> 536K
代理商: MT8888CE
MT8888C
Data Sheet
8
Zarlink Semiconductor Inc.
Figure 7 - Receiver Timing Diagram
Figure 8 - Call Progress Response
V
in
ESt
St/GT
RX
0
-RX
3
b3
b2
Read
Status
Register
IRQ/CP
EVENTS
A
B
C
D
E
F
t
REC
t
REC
t
ID
t
DO
TONE #n
TONE
#n + 1
TONE
#n + 1
t
DP
t
DA
t
GTP
t
GTA
t
PStRX
t
PStb3
DECODED TONE # (n-1)
# n
# (n + 1)
V
TSt
LEVEL
(dBm)
FREQUENCY (Hz)
-25
0
250
500
750
= Reject
= May Accept
= Accept
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