Onsemi NCN26010 IEEE 802．3cg兼容以太网收发器解决方案

Onsemi公司的NCN26010是 IEEE 802.3cg兼容以太网收发器,包括媒体访问控制器(MAC),PLCA协调子层(RS)和用于工业多点以太网设计的10BASE−T1S PHY.器件提供单个非屏蔽双绞线发送和接收数据的所有物理层功能.  

NCN26010通过开放式联盟MACPHY SPI协议和主MCU进行通信.器件和10BASE−T1S – IEEE 802.3cg兼容,3.3V电源,有两个可配置的能驱动小电流LED的数字输出.器件集成了MAC和10BASE−T1S PHY.支持IEEE802.3 CSMA/CD碰撞检测.支持长度大于25米UTP电缆的大于8个节点,快速起动小于100ms,支持隔离模式的引导协议.器件属于无铅器件.主要用于工业自动化,传感器接口,家庭/建筑物控制以及安全和现场仪器.本文介绍了NCN26010主要特性,框图和基本应用框图以及应用框图推荐外接元件, 评估板NCN26010BMNEVB主要特性,简化框图,电路图和材料清单.

The NCN26010 device is an IEEE 802.3cg compliant Ethernet Transceiver including a Media Access Controller (MAC), a PLCA Reconciliation Sublayer (RS) and a 10BASE−T1S PHY designed for industrial multi−drop Ethernet. It provides all physical layer functions needed to transmit and receive data over a single unshielded twisted pair. NCN26010 communicates to host MCUs via the Open Alliance MACPHY SPI protocol.

NCN26010主要特性:

• 10BASE−T1S – IEEE 802.3cg Compliant

• 3.3 V Supply Voltage

• Two Configurable Digital Outputs that can Drive Low Current LEDs

• Low Profile 4 mm x 4 mm QFN 32 / TQFP32 (5 mm x 5 mm)

• Integrated MAC and 10BASE−T1S PHY

• Open Alliance Compatible SPI Interface for Exchanging Configuration and Data Frames to Host

• Supports IEEE802.3 CSMA/CD Collision Detection

• Physical Layer Collision Avoidance (PLCA) through Local Configuration for Collision−Free Operation on a Shared Medium (Multi Drop)

• Enhanced Noise Immunity Mode, Allowing Communication at Noise Levels Exceeding IEEE 802.3cg Specifications

• Supports >8 Nodes over >25 m UTP Cable