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MX613DW Datasheet(PDF) 1 Page - CML Microcircuits

Part # MX613DW
Description  Global Call Progress Detector
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Manufacturer  CMLMICRO [CML Microcircuits]
Direct Link  http://www.cmlmicro.com
Logo CMLMICRO - CML Microcircuits

MX613DW Datasheet(HTML) 1 Page - CML Microcircuits

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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
• MX•COM 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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