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參數(shù)資料
| 型號(hào)： | MT88E41 |
| 廠商： | Mitel Networks Corporation |
| 英文描述： | Extended Voltage Calling Number Identification Circuit (ECNIC)(擴(kuò)展電壓主叫識(shí)別電路（提供各種主叫線信息傳遞設(shè)備的接口）) |
| 中文描述： | 擴(kuò)展電壓主叫號(hào)碼識(shí)別電路（ECNIC）（擴(kuò)展電壓主叫識(shí)別電路（提供各種主叫線信息傳遞設(shè)備的接口）） |
| 文件頁(yè)數(shù)： | 1/15頁(yè) |
| 文件大小： | 99K |
| 代理商： | MT88E41 |
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5-21
MT88E41
Extended Voltage Calling Number
Identification Circuit (ECNIC)
Features
1200 baud BELL 202 and CCITT V.23
Frequency Shift Keying (FSK) demodulation
Compatible with Bellcore GR-30-CORE and
SR-TSV-002476
High input sensitivity: -36dBm minimum FSK
Detection Level
Simple serial 3-wire data interface eliminating
the need for a UART
Power down mode
Internal gain adjustable amplifier
Carrier detect status output
Uses 3.579545 MHz crystal
2.7 - 5.5V operation
Low power CMOS technology
Applications
Calling Number Delivery (CND), Calling Name
Delivery (CNAM) and Calling Identity on Call
Waiting (CIDCW) features of Bellcore CLASS
SM
service
Feature phones
Phone sets, adjunct boxes
FAX machines
Telephone answering machines
Database query systems
Battery powered applications
Description
The MT88E41 Extended Voltage Calling Number
Identification Circuit (ECNIC) is a CMOS integrated
circuit providing an interface to various calling line
information delivery services that utilize 1200 baud
BELL 202 or CCITT V.23 FSK voiceband data
transmission schemes. The ECNIC receives and
demodulates the signal and outputs data into a
simple 3-wire serial interface.
Typically, the FSK modulated data containing
information on the calling line is sent before alerting
the called party or during the silent interval between
the first and second ring using either CCITT V.23
recommendations or Bell 202 specifications.
The ECNIC accepts and demodulates both CCITT
V.23 and BELL 202 signals. Along with serial data
and clock, the ECNIC provides a data ready signal to
indicate the reception of every 8-bit character sent
from the Central Office. The received data can be
processed externally by a microcontroller, stored in
memory, or displayed as is, depending on the
application.
Ordering Information
MT88E41AE
16 Pin Plastic DIP
MT88E41AS
16 Pin SOIC
MT88E41AN
20 Pin SSOP
-40
°
C to +85
°
C
Figure 1 - Functional Block Diagram
CLASS
SM
is a service mark of Bellcore
GS
IN-
IN+
CAP
V
Ref
DATA
DR
DCLK
CD
PWDN
OSC1
OSC2
V
SS
V
DD
IC1
IC2
Receive
Bandpass
Filter
Bias
Generator
FSK
Demodulator
Data and Timing
Recovery
Carrier
Detector
Clock
Generator
to other
circuits
-
+
ISSUE 3
February 1998
CMOS
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MT88E43A | () |
| MT88E45 | 4-Wire Calling Number Identification Circuit(4線主叫識(shí)別電路（接收傳送的物理層信號(hào)）) |
| MT88E46 | Bellcore Compliant Calling Number Identification Circuit(兼容貝爾內(nèi)核主叫識(shí)別電路) |
| MT88L70 | 3 Volt Integrated DTMF Receiver(3V 集成雙音多頻信號(hào)（DTMF）接收器) |
| MT88L85 | 3V Integrated DTMF Transceiver with Power-Down and Adaptive Micro Interface(3V 集成雙音多頻信號(hào)（DTMF）接收器（帶電源關(guān)閉和自適應(yīng)微接口）) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MT88E41AE | 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:CMOS Extended Voltage Calling Number Identification Circuit (ECNIC) |
| MT88E41AN | 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:CMOS Extended Voltage Calling Number Identification Circuit (ECNIC) |
| MT88E41AS | 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:CMOS Extended Voltage Calling Number Identification Circuit (ECNIC) |
| MT88E43 | 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:Extended Voltage Calling Number Identification Circuit 2 |
| MT88E43AE | 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:Extended Voltage Calling Number Identification Circuit 2 |
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