參數(shù)資料
型號(hào)： MT8870
廠商： Mitel Networks Corporation
英文描述： ()
中文描述： （）
文件頁(yè)數(shù)： 15/23頁(yè)
文件大小： 177K
代理商： MT8870
Application Note
MSAN-108
A-59
Figure 16 - N-Character Sequence Identifier
Q
1
Q
2
Q
3
Q
4
X
0
X
1
X
2
X
3
StD
X=Y
4-BIT
COMPARATOR
Y
3
Y
2
Y
1
Y
0
I.D. DIGIT 0
STRAPS
I.D. DIGIT 1
STRAPS
I.D. DIGIT N-1
STRAPS
MT8870
D
LATCH
CK
S
Q
D
Q
R
Q
S
FLIP-
FLOP
ERROR
VALID DIGIT
RESET
MATCH
Q
3
Q
2
Q
1
Q
0
Y
3
Y
2
Y
1
Y
0
OE
4-BIT
BUS BUFFER
Q
3
Q
2
Q
1
Q
0
Y
3
Y
2
Y
1
Y
0
OE
4-BIT
BUS BUFFER
Q
3
Q
2
Q
1
Q
0
Y
3
Y
2
Y
1
Y
0
OE
4-BIT
BUS BUFFER
V
DD
LAST
DIGIT
D
Q
D
LATCH
CK
R
RESET
LOAD
D
N-1
Q
0
Q
1
...
...
...
Q
N-1
CK
Di
D
0
D
1
...
...
...
RESET
N-BIT PRESETTABLE SHIFT REGISTER
V
DD
RESET GENERATED FROM A DEDICATED MT8870 OUTPUT BUS DECODE OR A TIME-OUT TIMER
This circut could be used to detect a valid I.D. number (address) or a "password".
A household DTMF remote control system with an
optional data port can boast a variety of
conveniences (Fig. 19). Remote ON/OFF control
may be given to electric appliances such as a slow
cooker, exterior lighting and garage heater. An
electro-mechanical solenoid operated valve allows
remote control of a garden sprinkler. Video buffs
could interface to their VCR remote control inputs
and record T.V. shows with a few keystrokes of their
friend’s telephone. This would enhance the function
of timers which are currently available on most
VCR’s.
Schedule
changes
broadcasts could be captured from any remote
or
unexpected
location featuring a Touch-Tone
phone. Security
systems could be controlled and a microphone could
be switched in for remote audio monitoring.
Interfacing a home computer to the data port makes
an excellent family message center. At the remote
end messages are entered from a telephone keypad.
The computer responds with voice messages
generated by a speech synthesizer. In the home,
messages to be left are entered via the computer
keyboard. Messages to be read may be displayed
on the computer monitor or ”played back“ through
the speech synthesizer.
相關(guān)PDF資料
PDF描述
MT8880C ISO2-CMOS Integrated DTMFTransceiver
MT8880CE-1 ISO2-CMOS Integrated DTMFTransceiver
MT8880CC ISO2-CMOS Integrated DTMFTransceiver
MT8880CE ISO2-CMOS Integrated DTMFTransceiver
MT8880CN ISO2-CMOS Integrated DTMFTransceiver
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MT8870BE 制造商:Panasonic Industrial Company 功能描述:RECEIVER
MT8870D 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:ISO2-CMOS Integrated DTMF Receiver
MT8870DC 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:ISO2-CMOS Integrated DTMF Receiver
MT8870DC-1 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:ISO2-CMOS Integrated DTMF Receiver
MT8870DE 制造商:Microsemi Corporation 功能描述:
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