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M34116B1 - PCM CONFERENCE CALL AND TONE GENERATION CIRCUIT

General Description

The M34116 is a product specifically designed for applications in PCM digital exchanges.

It is able to handle up to 64 channels in any conferences combination from 1 to 29 conferences in parallel and to generate seven different tones and one melody.

Key Features

  • Mode. (.
  • ) Pin numbers referred to the DIP24. (.
  • ) Schimitt-trigger inputs. 4/23 M34116.

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Other Datasheets by STMicroelectronics

Part Number Description
M34116 PCM CONFERENCE CALL AND TONE GENERATION CIRCUIT
M3488 256 x 256 DIGITAL SWITCHING MATRIX
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M3488Q1 256 x 256 DIGITAL SWITCHING MATRIX
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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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M34116 PCM CONFERENCE CALL AND TONE GENERATION CIRCUIT PRELIMINARY DATA HW AND SW COMPATIBLE WITH M116 1 TO 64 SERIAL CHANNELS PER FRAME (CONTROLLED BY SYNC SIGNAL PERIOD) 29 MAXIMUM CONFERENCES 1 TO 64 SERIAL CHANNELS PER CONFERENCES 3 SIMULTANEOUS OPERATION MODES AVAILABLE: CONFERENCE, TRANSPARENT AND TONE GENERATION TYPICAL BIT RATES: 1536/1544/2048/4096Kbits/s COMPATIBLE WITH ALL KINDS OF PCM FORMAT ยต AND A LAW (PIN PROGRAMMABLE) EQUAL PRIORITY TO EVERY CHANNEL ONE FRAME AND ONE CHANNEL DELAY FROM SENDING TO RECEIVING OVERFLOW INFORMATION FOR EACH CONFERENCE BY PIN OS (OVERFLOW SIGNALLING) AND ON DATA BUS ON MPU REQUEST INSTRUCTION SET COMPATIBLE WITH M3488 PROGRAMMABLE INPUT AND OUTPUT ATTENUATION OR GAIN FROM 0 TO 15dB WITH STEP OF 1dB FOR EACH CHANNEL TONE GENERATION FROM 3.