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TS7514 - PROGRAMMABLE V.23 MODEM

Datasheet Summary

Description

The TS7514 is an FSK modem which can be programmed for asynchronous half-duplex voiceband communications on a 2-wireline or full duplex PIN CONNECTIONS DIP24 MOD/DTMF MC/BC RTS ENP DGND TxD PRD XTAL IN XTAL OUT DCD RxD ZCO 1 2 3 4 5 6 7 8 9 10 11 12 24 23 22 21 20 19 18 17 16 15 14 13 AXTL DIP24 PL

Features

  • DTMF dialing, call status tone detection and line monitoring in both dialing and automaticanswer modes. A signalling frequency is available at the line monitoring output (buzzer). Ring detection is possible by using the signal detection function and bypassing the receive filter. The receive signal at ZCO output can be filtered in the associated microprocessor. The.

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Datasheet Details

Part number TS7514
Manufacturer STMicroelectronics
File Size 170.12 KB
Description PROGRAMMABLE V.23 MODEM
Datasheet download datasheet TS7514 Datasheet
Additional preview pages of the TS7514 datasheet.

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Full PDF Text Transcription

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TS7514 PROGRAMMABLE V.23 MODEM WITH DTMF . . . . . . . . . . PROGRAMMABLE MODES : - Modem 75bps transmit, 1200bps receive - Modem 1200bps transmit, 75bps receive - DTMF dialing - Call status tone detection - Auxiliary analog transmit input - Analog test loopback PROGRAMMABLE FUNCTIONS : - Transmission level - Hysteresis and detection level - Filters (reception and transmission) - Line monitoring and buzzer - DTMF frequencies FIXED COMPROMISE LINE EQUALIZER AUTOMATIC BIAS ADJUSTMENT INTEGRATED DUPLEXER STANDARD LOW COST CRYSTAL (3.579MHz) TAX TONE REJECTION POWER-UP INITIALIZATION OF REGISTERS OPERATES FROM ±5V CMOS DIP24 (Plastic Package) PLCC28 (Plastic Leaded Chip Carrier Package) on a 4-wire line.
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