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MX613DW Datasheet(PDF) 1 Page - CML Microcircuits |
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MX613DW Datasheet(HTML) 1 Page - CML Microcircuits |
1 / 10 page DATA BULLETIN MX613 Global Call Progress Detector CLOCK GENERATOR LOGIC SERIAL CLOCK SIGNAL IN V SS VDD VBIAS LEVEL IN DATA OUT XTAL/CLOCK 3.579545MHz TIME CS CS GOOD/BAD TIME RESET RESET RESET COUNT DECODE ON / OFF f f/4 f/4 IRQ XTAL CHIP SELECT HI/LO HI/LO HI / BAND LO FREQUENCY COUNTER LATCH SERIAL OUTPUT PORT (6-BITS) TIMER LO = 39.4ms HI = 13.16ms 012345 SIGNAL QUALITY ASSESSOR LEVEL DETECTOR FILTER & BAND SELECTOR MXCOM MiXed Signal CMOS Covers Worldwide Call Progress Frequencies (300Hz TO 2150Hz) Decode Single or Modulated Tones Analog In / Serial Data Out µProcessor Compatible Outputs Speech Discrimination Ability Low Power Operation The MX613 is a wide-band, ‘N-Tone’ non-predictive tone decoder that measures telephone system call progress tones in PABX, Pay/Feature-Phone, Fax and Modem systems. Adhering to Must/Must-Not Decode limits and able to measure inband frequencies in outband modulation, this decoder measures the frequency of input signals in the range 300 to 2,150Hz. The result of each measurement is presented to a system µProcessor as a 6-bit serial word. The decode frequency range, which covers the world's call progress application spectrum, is processed internally as two bands: LO = 300 to 660Hz and HI = 900 to 2150Hz. Frequency measurement is achieved by counting the number of cycles in a set time period (LO = 39.47ms or HI = 13.16ms). Bad signal/level quality or NOTONE results in a count-abort, timing-reset and no output from the decoder. Front-end filtering is achieved using our patented Auto-Correlator. Current frequency information is output for the µProcessor using a Serial Data, Clock and Interrupt interface. Data from the MX613 should be processed by a µProcessor whose algorithms are able to recognize the frequency, sequence and/or cadence of input signals as national call progress information; e.g.: ‘Dial,’ ‘Busy,’ ‘Number-Unobtainable,’ ‘Ringing’ and automatic tones used by fax and modem systems. Software can be simply configured to reject speech frequencies. Available in SOIC and PDIP packages, this low-cost, mixed signal IC has a typical power requirement of less than 1mA at 3 volts and utilizes a telecom-system clock input of 3.579545MHz to maintain frequency accuracy. PRELIMINARY INFORMATION AVAILABLE PACKAGES MX613DW 16-pin SOIC MX613P 14-pin PDIP © 1997 MX •COM Inc. www.mxcom.com Tele: 800 638-5577 910 744-5050 Fax: 910 744-5054 Doc. # 20480086.003 4800 Bethania Station Road, Winston-Salem, NC 27105-1201 USAAll trademarks and service marks are held by their respective companies |
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