Datasheet > 821064PM

821064PM

更新时间： 2023-02-26 13:44:46

品牌	Logo	应用领域
艾迪悌 - IDT		PC
页数	文件大小	规格书
33页	621K
描述
PCM Codec, A/MU-Law, 4-Func, PQFP64

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821064PM 数据手册

QUAD PROGRAMMABLE PCM CODEC

WITH GCI INTERFACE

PRELIMINARY

IDT821064

ringing and DTMF generation

· FSK generator

· Two programmable chopper clocks

· Master clock frequency selectable: 2.048 MHz or 4.096 MHz

· Advanced test capabilities

- 3 analog loop back tests

- 5 digital loop back tests

- Level metering function

· High analog driving capability (300W AC )

· TTL and CMOS compatible digital I/O

· CODEC identification

· +5 V single power supply

· Low power consumption

FEATURES

· 4 channel CODEC with on-chip digital filters

· Software selectable compressed (A/m-law) or linear code con-

version

· Meets ITU-T G.711 - G.714 requirements

· Programmable digital filter adapting to system demands:

- AC impedance matching

- Transhybrid balance

- Frequency response correction

- Gain setting

· GCI (IOM-2) control interface

· Broadcast mode for coefficient setting

· 7 SLIC signaling pins (including 2 debounced pins) per channel

· Fast hardware ring trip mechanism

· Two programmable tone generators per channel for testing,

· Operating temperature range: -40 °C to +85 °C

· Package available: PQFP_64_PM

FUNCTIONAL BLOCK DIAGRAM

CH1

CH3

Filter and A/D

VIN3

VIN1

D/A and Filter

VOUT1

DSP

VOUT3

2 Inputs

3 I/Os

2 Outputs

2 Inputs

3 I/Os

2 Outputs

CORE

SLIC Signaling

CH2

SLIC Signaling

CH4

MCLK

CHCLK1

CHCLK2

General Control

Logic

PLL and Clock

Generation

PCM/GCI Interface

RESET

FSC DCL

The IDT logo is a registered trademark of Integrated Device Technology, Inc

INDUSTRIAL TEMPERATURE RANGE

FEBRUARY 2002

2001 Integrated Device Technology, Inc.

DSC-6036/4

12 3 4 5 6 7...33

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