DATA BULLETIN MX613 Global Call Progress Detector • MX•COM MiXed Signal CMOS • Covers Worldwide Call Progress Frequencies (300Hz TO 2150Hz) • Decode Single or Modulated Tones PRELIMINARY INFORMATION • Analog In / Serial Data Out • µProcessor Compatible Outputs • Speech Discrimination Ability • Low Power Operation VDD SIGNAL IN LEVEL IN SERIAL CLOCK CHIP SELECT SERIAL OUTPUT PORT (6-BITS) CS LATCH LEVEL DETECTOR FILTER & BAND SELECTOR f f/4 HI / LO BAND COUNT FREQUENCY COUNTER RESET DECODE ON / OFF HI / LO DATA OUT 012345 TIME VBIAS V SS f/4 SIGNAL QUALITY GOOD/BAD ASSESSOR LOGIC RESET RESET XTAL/CLOCK 3.
579545MHz XTAL CLOCK GENERATOR HI / LO CS TIMER LO = 39.
4ms HI = 1...

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