描述
廠牌:IDT (Integrated Device Technology)
封裝樣式:PQFP-52
包裝:盤
DESCRIPTION
The IDT821034 is a single-chip, four channel PCM CODEC with on-chip filters and programmable gain setting. This device provides bothμ-Lawand A-Law companding digital-to-analog and analog-to-digitalconversions based on ITU-T G.711 – G.714 specifications. The digitalfilters in IDT821034 provides the necessary transmit and receive filteringfor voice telephone circuit to interface with time-division multiplexedsystems.
The IDT821034 has a flexible PCM interface with softwareselectable timing modes and independently programmable time slot foreach transmit and receive channel. It also integrates the SLIC signalingfunctions through internal registers. The CODEC and SLIC control/statusregisters are accessed via the Serial Control Interface.The IDT821034 can be used in digital telecommunication applicationssuch as PBX, Central Office Switch, Digital Telephone and Integrated Voice/Data Access Unit.
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