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參數(shù)資料
| 型號： | MT8843 |
| 廠商： | Mitel Networks Corporation |
| 英文描述： | Calling Number Identification Circuit(主叫識別電路（提供各種主叫線信息傳遞設(shè)備的接口）) |
| 中文描述： | 主叫號碼識別電路（主叫識別電路（提供各種主叫線信息傳遞設(shè)備的接口）） |
| 文件頁數(shù)： | 1/26頁 |
| 文件大小： | 178K |
| 代理商： | MT8843 |
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5-31
Features
Compatible with:
British Telecom (BT) SIN227 & SIN242
U.K.’s Cable Communications Association
(CCA) specification TW/P&E/312
Bellcore GR-30-CORE ( formerly known as
TR-NWT-000030) & SR-TSV-002476
Bellcore "CPE Alerting Signal (CAS)" and BT
"Idle State Tone Alert Signal" detection
Ring and line reversal detection
1200 baud BELL 202 and CCITT V.23
Frequency Shift Keying (FSK) demodulation
High input sensitivity (-40dBV Tone and FSK
Detection)
Selectable 3-wire data interface
(microcontroller or MT8843 controlled)
Low power CMOS with powerdown mode
Input gain adjustable amplifier
Carrier detect status output
Uses 3.58 MHz crystal
Applications
BT Calling Line Identity Presentation (CLIP),
CCA CLIP, and Bellcore Calling Identity
Delivery (CID) systems
Feature phones, including Analog Display
Services Interface (ADSI) phones
Phone set adjunct boxes
FAX and answering machines
Database query and Computer Telephony
Integration (CTI) systems
Description
The MT8843 Calling Number Identification Circuit 2
(CNIC2) is a low power CMOS integrated circuit
intended for receiving physical layer signals
transmitted according to BT (British Telecom)
SIN227
&
SIN242,
the
Communications Association) TW/P&E/312 and
Bellcore
GR-30-CORE
specifications.
U.K.’s
CCA
(Cable
&
SR-TSV-002476
The CNIC2 provides all the features and functions
offered by Mitel’s MT8841 (CNIC), including 1200
Figure 1- Functional Block Diagram
+
-
Anti-alias
Filter
FSK Bandpass
Filter
FSK
Demodulator
Data Timing
Recovery
Carrier
Detector
Alert Signal High
Tone Filter
Alert Signal Low
Tone Filter
Tone
Detection
Algorithm
Bias
Generator
Oscillator
Guard
Time
StD
St/GT
ESt
TRIGout
TRIGRC
TRIGin
DATA
DR
DCLK
MODE
FSKen
CD
CAP
PWDN
OSCin OSCout
IN+
IN-
GS
VRef
INT
VDD
VSS
cct.
To internal cct.
Interrupt
Generator
ISSUE 3
April 1996
Ordering Information
MT8843AE
24 Pin Plastic DIP
(0.6 inch package only)
24 Pin SOIC
-40
°
C to +85
°
C
MT8843AS
MT8843
Calling Number Identification Circuit 2
CMOS
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MT8888C | Integrated DTMF Transceiver with Intel Micro Interface(雙音多頻信號（DTMF）收發(fā)器（帶Intel微接口）) |
| MT8889CC-1 | Integrated DTMFTransceiver with Adaptive Micro Interface |
| MT8889CN-1 | Integrated DTMFTransceiver with Adaptive Micro Interface |
| MT8889CS-1 | Integrated DTMFTransceiver with Adaptive Micro Interface |
| MT8889C | Integrated DTMFTransceiver with Adaptive Micro Interface |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MT8843AE | 制造商:Mitel Networks Corporation 功能描述:TELEPHONE CALLING NO IDENT CKT, PDIP24 |
| MT8843AS | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:CMOS Calling Number Identification Circuit 2 Preliminary Information |
| MT8860 | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:DTMF DECODER |
| MT8860XC | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:DTMF DECODER |
| MT8860XE | 制造商:Hitachi 功能描述:DTMF RECEIVER, 18 Pin, Plastic, DIP 制造商:Microsemi Corporation 功能描述:DTMF RECEIVER, 18 Pin, Plastic, DIP 制造商:Mitel Networks Corporation 功能描述:DTMF RECEIVER, 18 Pin, Plastic, DIP |
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