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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.

¡ö HW AND SW COMPATIBLE WITH M116

¡ö 1 TO 64 SERIAL CHANNELS PER FRAME (CONTROLLED BY SYNC SIGNAL PERIOD)

¡ö 29 MAXIMUM CONFERENCES

¡ö 1 TO 64 SERIAL CHANNELS PER CONFERENCES

¡ö 3 SIMULTANEOUS OPERATION MODES AVAILABLE: CONFERENCE, TRANSPARENT AND TONE GENERATION

¡ö TYPICAL BIT RATES: 1536/1544/2048/4096Kbits/s

¡ö COMPATIBLE WITH ALL KINDS OF PCM FORMAT

¡ö ? AND A LAW (PIN PROGRAMMABLE)

¡ö EQUAL PRIORITY TO EVERY CHANNEL

¡ö ONE FRAME AND ONE CHANNEL DELAY FROM SENDING TO RECEIVING

¡ö OVERFLOW INFORMATION FOR EACH CONFERENCE BY PIN OS (OVERFLOW SIGNALLING) AND ON DATA BUS ON MPU REQUEST

¡ö INSTRUCTION SET COMPATIBLE WITH M3488

¡ö PROGRAMMABLE INPUT AND OUTPUT ATTENUATION OR GAIN FROM 0 TO 15dB WITH STEP OF 1dB FOR EACH CHANNEL

¡ö TONE GENERATION FROM 3.9Hz TO 3938Hz WITH MIN. STEP OF 3.9Hz

¡ö TOTAL OF 7 DIFFERENT TONE OUTPUTS IN PARALLEL PROGRAMMABLE VIA MPU (MAXIMUM 4 DIFFERENT FREQUENCIES

¡ö AND DURATIONS)

¡ö 1 MELODY OF MAXIMUM 32 PROGRAMMABLE FREQUENCIES AND DURATIONS

¡ö 5V POWER SUPPLY

¡ö TTL COMPATIBLE INPUT LEVELS, CMOS/TTL COMPATIBLE OUTPUT LEVELS

¡ö MAIN INSTRUCTIONS CONTROLLED BY MICROPROCESSOR INTERFACE:

¨C Channel connection to a conference

¨C Channel attenuation or gain

¨C Channel disconnection from both conference and transparent modes

¨C Tone and melody generation

¨C Overflow status

¨C Operatingmode

¨C Channel status