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IDT82V1671 Datasheet(PDF) 1 Page - Integrated Device Technology |
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IDT82V1671 Datasheet(HTML) 1 Page - Integrated Device Technology |
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1 / 107 page  1 The IDT logo is a registered trademark of Integrated Device Technology, Inc. INDUSTRIAL TEMPERATURE RANGE 2003 Integrated Device Technology, Inc. FEBRUARY 16, 2004 DSC-6042/3 FEATURES • Programmable DC feeding characteristics • Programmable digital filters adapting to different requirements: − Impedance matching − Transhybrid balance − Transmit and receive gain adjustment − Frequency response correction • Off-hook and ground-key detection • AC/DC ring trip detection • Programmable internal balanced ringing without external components • Supports external ringing • Selectable MPI and GCI interfaces • Supports A/µ-law compressed and linear data formats • Programmable IO pins with relay-driving or analog input capability • Line polarity reversal • Integrated FSK generator for sending Caller ID information • On-hook transmission • 2 programmable tone generators per channel • Integrated Universal Tone Detection (UTD) unit for fax/modem tone detection • Integrated Test and Diagnosis Functions (ITDF) • Three-party conference • Only battery and 3.3 V power supply needed • Package available: IDT82V1671: 28 pin PLCC IDT82V1074: 100 pin TQFP DESCRIPTION The RSLIC-CODEC chipset is comprised of one four-channel programmable PCM CODEC (IDT82V1074) and four single-channel ringing SLICs (IDT82V1671). The chipset provides a total solution for line card designs. In addition to providing a complete software programmable solution for BORSCHT, additional functions such as FSK generator, Universal Tone Detection (UTD) unit, tone generators, ringing generator, Integrated Test and Diagnosis Functions (ITDF), line polarity reversal and three-party conference are integrated in to the chipset. The high integration of system functions reduces board space requirements of the line card and saves cost. The chipset is fully programmable via a Microprocessor Interface (MPI) or a General Circuit Interface (GCI). In both MPI and GCI modes, the chipset supports A/µ-law companding format or linear data format. Programmable digital filters on the chipset provide the necessary transmit and receive filtering to realize impedance matching, transhybrid balance, frequency response correction and transmit/receive gains adjustment. The full programmability optimizes the performance of line card products and allows one line card to adapt to different requirements worldwide. The powerful Integrated Test and Diagnosis Functions (ITDF) accomplish necessary tests and measurements without external test equipment or relays. This brings convenience to system maintenance and diagnosis. This chipset can be used in digital telecommunication applications such as VoIP, VoATM, PBX, CO and DLC etc. CHIPSET FUNCTIONAL BLOCK DIAGRAM RSLIC 1# RSLIC 2# RSLIC 3# RSLIC 4# Level Metering Off-hook Detection DC Feed DSP Filtering MPI Interface PCM/GCI Interface CID UTD Self Test CODEC PCM/GCI Telephone Telephone Telephone Telephone Protection Circuit Protection Circuit Protection Circuit Protection Circuit Microprocessor CHIPSET OF RINGING SUBSCRIBER LINE INTERFACE CIRCUIT (RSLIC) & QUAD PROGRAMMABLE PCM CODEC IDT82V1671 (RSLIC) IDT82V1074 (CODEC) |
Similar Part No. - IDT82V1671 |
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Similar Description - IDT82V1671 |
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