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IDT821034 QUAD PCM CODEC

IDT821034 Description

QUAD PCM CODEC WITH PROGRAMMABLE GAIN IDT821034 .
The IDT821034 is a single-chip, four channel PCM CODEC with onchip filters and programmable gain setting.

IDT821034 Features

* 4 channelCODEC with on-chip digital filters
* Software Selectable A-law/ยต-law companding
* Programmablegainsetting
* Automatic master clock frequency selection: 2.048MHz, 4.096 MHz or 8.192MHz
* Flexible PCM interface with up to 128 programmable time slots,

IDT821034 Applications

* such as PBX, Central Office Switch, Digital Telephone and Integrated Voice/ Data Access Unit. FUNCTIONAL BLOCK DIAGRAM GSX0 VFXI0 VFRO0 O_0(4 - 2) I/O_0(1 - 0) + +2.5V A/D Channel 0 D/A SLIC Interface I/O Channel 1 Channel 2 Channel 3 PCM Interface DX DR FS BCLK TSX DSP Serial Control Inter

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