CMX602A 查看數據表（PDF） - CML Microsystems Plc

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CMX602A

Calling Line Identifier plus Call Waiting (Type II)

CML Microsystems Plc 

CML Semiconductor Products

Calling Line Identifier

plus Call Waiting (Type II) CMX602A

D/602A/4 February 1998

Provisional Issue

Features

• CLI and CIDCW System Operation

• Low Power Operation 0.5mA at 2.7V

• Zero-Power Ring or Line Reversal

Detector

• FSK Demodulator with Data Retiming

• High Sensitivity CAS Tone Detection

• Low CAS Tone Falsing in CIDCW Mode

Applications

• CLI and CIDCW Adjunct Boxes

• CLI and CIDCW Feature Phones

• Bellcore, ETSI, British Telecom and

Mercury Systems

• Computer Telephone Integration

• Call Logging Systems

• Voice-Mail Equipment

1.1 Brief Description

The CMX602A is a low power CMOS integrated circuit for the reception of the physical layer signals used in

BT's Calling Line Identification Service (CLIP), Bellcore's Calling Identity Delivery System (CID), the Cable

Communications Association's Caller Display Services (CDS), and similar evolving systems. It also meets the

requirements of emerging Caller Identity with Call Waiting services (CIDCW).

The device includes a 'zero-power' ring or line reversal detector, a dual-tone (2130Hz plus 2750Hz) Tone Alert

Signal and a 1200-baud FSK V23/Bell202 compatible asynchronous data demodulator with a data retiming

circuit which removes the need for a UART in the associated µController.

It is suitable for use in systems to BT specifications SIN227 and SIN242, Bellcore GR-30-CORE and SR-TSV-

002476, CCA TW/P&E/312, ETSI ETS 300 659 parts 1 and 2, ETS 300 778 parts 1 and 2 and Mercury

Communications MNR 19.

© 1998 Consumer Microcircuits Limited

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