IDT821054PM

更新时间： 2024-01-06 21:45:12

品牌	Logo	应用领域
艾迪悌 - IDT		解码器编解码器电信集成电路电信电路 PC
页数	文件大小	规格书
45页	495K
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IDT821054PM 数据手册

QUAD PROGRAMMABLE PCM

CODEC WITH MPI INTERFACE

IDT821054

•

2 programmable tone generators per channel for testing,

ringing and DTMF generation

FEATURES

•

4-channel CODEC with on-chip digital filters

Software selectable A/µ-law, linear code conversion

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

Programmabledigitalfiltersadaptingtosystemdemands:

- AC impedance matching

•

1 programmable FSK generator for sending Caller-ID messages

Two programmable chopper clocks

Master clock frequency selectable: 1.536 MHz, 1.544 MHz, 2.048

MHz, 3.072 MHz, 3.088 MHz, 4.096 MHz, 6.144 MHz, 6.176 MHz or

8.192 MHz

- Transhybrid balance

•

Advanced test capabilities:

- Frequency response correction

- 3 analog loopback tests

- Gain setting

- 5 digital loopback tests

•

Supports two programmable PCM buses

Flexible PCM interface with up to 128 programmable time slots,

data rate from 512 kbits/s to 8.192 Mbits/s

MPI control interface

- Level metering function

•

High analog driving capability (300 Ω AC)

TTL/CMOS compatible digital I/O

•

CODEC identification

Broadcast mode for coefficient setting

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

Fast hardware ring trip mechanism

+5 V single power supply

Low power consumption

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

Package available: 64 Pin PQFP

FUNCTIONAL BLOCK DIAGRAM

CH1

CH3

Filter and A/D

VIN3

VIN1

D/A and Filter

VOUT3

VOUT1

DSP

2 Inputs

3 I/Os

Core

3 I/Os

SLIC Signaling

CH2

SLIC Signaling

2 Outputs

CH4

DR1

DR2

MCLK

CHCLK1

CHCLK2

PLL and Clock

Generation

General Control

Logic

MPI Interface

PCM Interface

DX1

DX2

TSX1 TSX2

RESET INT12 INT34 CCLK CS CI CO

FS BCLK

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

FEBRUARY 26, 2003

INDUSTRIAL TEMPERATURE RANGE

2003 Integrated Device Technology, Inc.

DSC-6035/5

12 3 4 5 6 7...45

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