CMX602BD4 MX-COM, Inc., CMX602BD4 Datasheet
CMX602BD4
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CMX602BD4 Summary of contents
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... ETS 300 778 parts 1 and 2, and Mercury Communications MNR 19. This device may be used with a 2.7V to 5.5V supply and is available in the following packages: 16-pin TSSOP (CMX602BE4), 16-pin SOIC (CMX602BD4) and a 16-pin PDIP (CMX602BP3). 2000 MX-COM, Inc. www.mxcom.com tel: 800 638 5577 336 744 5050 fax: 336 744 5054 ...
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... Operating Limits...................................................................................................................... 17 6.1.3 Operating Characteristics ....................................................................................................... 18 6.2 Packaging ....................................................................................................................... 21 MX-COM, Inc. reserves the right to change specifications at any time and without notice. 2000 MX-COM, Inc www.mxcom.com Tel: 800 638 5577 336 744 5050 Fax: 336 744 5054 4800 Bethania Station Road, Winston-Salem, NC 27105-1201, USA 2 CMX602B PRELIMINARY INFORMATION CONTENTS All trademarks and service marks are held by their respective companies ...
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Calling Line Identifier plus Call Waiting (Type II) 1. Block Diagram 2000 MX-COM, Inc www.mxcom.com Tel: 800 638 5577 336 744 5050 Fax: 336 744 5054 4800 Bethania Station Road, Winston-Salem, NC 27105-1201, USA From µC Figure ...
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Calling Line Identifier plus Call Waiting (Type II) 2. Signal List Pin No. Signal Type 1 output Output of the on-chip Xtal oscillator inverter XTAL 2 XTAL input Input to the on-chip Xtal oscillator inverter 3 RD input Input to ...
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Calling Line Identifier plus Call Waiting (Type II) 3. External Components Line Protection D1-D4 Line Network Note recommended that the printed circuit board provide a ground plane in the CMX602B ...
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Calling Line Identifier plus Call Waiting (Type II) 4. General Description 4.1 Mode Control Logic The CMX602B's operating mode and the source of the DET and IRQ outputs are determined by the logic levels applied to the MODE and ZP ...
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Calling Line Identifier plus Call Waiting (Type II) The Input Signal Amplifier may also be used to allow the CMX602B to operate from an unbalanced signal source as shown in Figure 4. In this unbalanced signal configuration, the values of ...
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Calling Line Identifier plus Call Waiting (Type II) 4.4 Level Detector The Level Detector block operates by measuring the level of the signal at the output of the Bandpass Filter. It then compares it against a threshold, which depends on ...
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Calling Line Identifier plus Call Waiting (Type II) Output of FSK Demod: START IRQ output: RXCLK input: RXD output: IRQ RXCLK t D RXD t = Internal CMX602B delay (max 1 S Figure 7: FSK Operation with Data ...
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Calling Line Identifier plus Call Waiting (Type II) 4.8 Tone Alert Detector The Tone Alert Detector block is enabled when the CMX602B is set to Tone Alert Detector operating mode. It then monitors the received signal for the presence of ...
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Calling Line Identifier plus Call Waiting (Type II) When no signal is present on the telephone line, RD will the Schmitt trigger 'B' will be low. The ring signal is usually applied at the subscriber's exchange ...
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Calling Line Identifier plus Call Waiting (Type II) 4.10 Xtal Osc and Clock Dividers A 3.579545MHz clock present at the XTAL pin determines frequency and timing accuracy of the CMX602B. This may be generated by the on-chip oscillator inverter using ...
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Calling Line Identifier plus Call Waiting (Type II) 5.1.2 British Telecom System Figure 12 illustrates the line signaling and CMX602B input and output signals for the British Telecom 'On- Hook' Caller ID system as defined in the British Telecom specifications ...
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Calling Line Identifier plus Call Waiting (Type II) START: (BT) CMX602B in ZP mode Line Reversal Detected ? Set CMX602B to Tone Alert Detect mode. Start 5 second timeout. CMX602B DET output high ? CMX602B DET output low? Set CMX602B ...
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Calling Line Identifier plus Call Waiting (Type II) 5.2 'Off-Hook' Operation The CIDCW (Calling Identity on Call Waiting) system, as described in this section, operates when the telephone set is in use (off-hook) to display the number of a waiting ...
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Calling Line Identifier plus Call Waiting (Type II) START CMX602B in Tone Alert Detect mode IRQ output low ? Yes (See Note 2) Mute local handset and keypad. See Note 1 Set CMX602B to FSK Receive mode. Start timer. Timer ...
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Calling Line Identifier plus Call Waiting (Type II) 6. Performance Specification 6.1 Electrical Performance 6.1.1 Absolute Maximum Ratings Exceeding these maximum ratings can result in damage to the device. Supply ( Voltage on any pin ...
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Calling Line Identifier plus Call Waiting (Type II) 6.1.3 Operating Characteristics For the following conditions unless otherwise specified 2. 10°C to 60°C and V DD AMB Xtal Frequency = 3.579545MHz 0.1%, 0dBV corresponds to 1.0V ...
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Calling Line Identifier plus Call Waiting (Type II) To ensure non-detection: 'Low' tone frequency deviation from nominal 'High' tone frequency deviation from nominal Level (total) Dual Tone Burst Duration FSK Receiver Transmission rate V23 Mark (logic 1) frequency V23 Space ...
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Calling Line Identifier plus Call Waiting (Type II) 4 3 1 3.5 Figure 16: Schmitt Trigger typical input voltage thresholds vs 0.1 0.01 0.001 0.0001 -40 -30 -20 ...
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... MARKING PIN Figure 19: 16-pin SOIC Mechanical Outline: Order as part no. CMX602BD4 2000 MX-COM, Inc www.mxcom.com Tel: 800 638 5577 336 744 5050 Fax: 336 744 5054 4800 Bethania Station Road, Winston-Salem, NC 27105-1201, USA 21 CMX602B PRELIMINARY INFORMATION Package Tolerances DIM. ...
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Calling Line Identifier plus Call Waiting (Type II PIN Figure 20: 16-pin PDIP Mechanical Outline: Order as part no. CMX602BP3 2000 MX-COM, Inc www.mxcom.com Tel: 800 638 5577 336 744 5050 ...