MT8979中文资料ISO-CMOS ST-BUS™ FAMILY CEPT PCM 30/CRC-4 Framer & Interface数据手册Microchip规格书

描述 Description

The MT8979 is a single chip CEPT digital trunk transceiver that meets the requirements of CCITT Recommendation G.704 for digital multiplex equipment.
The MT8979 is fabricated in Zarlink’s low power ISO CMOS technology.

特性 Features

• Single chip primary rate 2048 kbit/s CEPT transceiver with CRC-4 option
• Meets CCITT Recommendation G.704
• Selectable HDB3 or AMI line code
• Tx and Rx frame and multiframe synchronization signals
• Two frame elastic buffer with 32 µsec jitter buffer
• Frame alignment and CRC error counters
• Insertion and detection of A, B, C, D signalling bits with optional debounce
• On-chip attenuation ROM with option for ADI codecs
• Per channel, overall and remote loop around
• ST-BUS compatibleApplications
• Primary rate ISDN network nodes
• Multiplexing equipment
• Private network: PBX to PBX links
• High speed computer to computer links

简介

MT8979属于集成电路（IC）的电信。由Microchip制造生产的MT8979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。