Freescale MCF54418工业网络连接解决方案

Freescale公司的MCF5441x系列是集成了EMAC和MMU的Version 4 ColdFire®内核,具有MCU和MPU性能,包括集成的模拟电路,L2交换和双以太网.增加了Linux和MQX RTOS以及基于Eclipse的CodeWarrior IDE.器件在250MHz的性能高达385 Dhrystone 2.1 MIPS,系统可从NOR, NAND, SPI flash, EEPROM或FRAM引导,主要用在连接, EtherCAT®,IEEE® 1588,消费类电子如VoIP,工业如电梯,HVAC,以太网到串行连接,医疗电子和马达控制等.本文介绍了MCF5441x系列主要特性,方框图以及TWR-MCF5441X-KIT评估模块主要特性,方框图,电路图.
The MCF5441x offers MCU peripherals with MPU performance, including integrated analog, an L2 switch and dual ethernet. Add Linux and MQX RTOS, plus Eclipse-based CodeWarrior IDE and you’ve got a powerful development package for network-connected industrial applications.
MCF5441x主要特性:
• Version 4 ColdFire® Core with EMAC and MMU
• Up to 385 Dhrystone 2.1 MIPS @ 250 MHz
• 8 Kbytes instruction cache and 8 Kbytes data cache
• 64 Kbytes internal SRAM dual-ported to processor local bus and other crossbar switch masters
• System boot from NOR, NAND, SPI flash, EEPROM, or FRAM
• Crossbar switch technology (XBS) for concurrent access to peripherals or RAM from multiple bus masters
• 64-channel DMA controller
• SDRAM controller supporting full-speed operation from a single x8 DDR2 component up to 250 MHz
• 32-bit FlexBus external memory interface for RAM, ROM, MRAM, and programmable logic
• USB 2.0 host controller
• USB 2.0 host/device/On-the-Go controller
• 8-bit single data rate ULPI port usable by the dedicated USB host module or the USB host/device/OTG module
• Dual 10/100 Ethernet MACs with hardware CRC checking/generation, IEEE 1588-2002 support, and optional Ethernet switch
• CPU direct-attached hardware accelerator for DES, 3DES, AES, MD5, SHA-1, and SHA-256 algorithms
• Random number generator
• Enhanced Secure Digital host controller for SD...