PM4351数据手册集成电路（IC）的电信规格书PDF

描述 Description

The PM4351 COMET device is a monolithic single-channel solution integrating software selectable full-featured T1 and E1 framers and T1 and E1 short haul and long haul line interfaces.

Applications
• Wireless Base Transceiver Station and Digital LoopCarriers (DLCs).
• BITS Timing Systems.
• Integrated Access Device (IAD).
• Channel and Data Service Units (CSU/DSU).
• Enterprise Routers.
• V5.1/V5.2 Interfaces.

特性 Features

Monolithic 3.3 V device that integrates an E1/T1/J1 Framer and line driver for shorthaul and longhaul applications
Software selectable between T1/J1 and E1 operation on a per device basis
Provides fully programmable shorthaul and longhaul pulse templates and line build out
Meets or exceeds T1, J1, and E1 shorthaul and longhaul network access specifications, which include: ANSI T1.102, T1.403, T1.408, AT&T TR 62411, ITU-T G.703 and G.823, as well as the newer G.775 and ETSI 300-011 specifications
Supports B8ZS, HDB3, and AMI line codes
Provides receive clock recovery and line performance monitoring
Provides on-board binary sequence generators and detectors that can be configured with various patterns for error testing, including those conforming to ITU-T 0.151
Provides transmit and receive jitter attenuation
Provides three full-featured HDLC controllers, each with 128-byte transmit and receive FIFOs, enabling dual compliance to the V5.1 and V5.2 interface standards
Supports an IEEE P1149.1 JTAG test port
Automatically generates DS1 performance report messages to ANSI T1.231 and other specifications
Compatible with Mitel ST,-bus, AT&T CHI,, and MVIP PCM backplanes supporting rates of 1.544 Mbit/s, 2.048 Mbit/s, 4.096 Mbit/s and 8.192 Mbit/s
Provides an 8-bit microprocessor bus interface for configuration, control, and status monitoring
Low power +3.3 V CMOS technology
Provides a -40 °C to +85 °C industrial temperature operating range

简介

PM4351属于集成电路（IC）的电信。由制造生产的PM4351电信电信接口集成电路 (IC) 为通信网络接口提供特定功能和控制，例如以太网切换、线路驱动器、ISDN、放大器、通道扩展器、数字锁相环、DTMF、音频发生器和解码器、回声消除、检测器和发生器、DDA、电话线路监控器和主叫号码标识。