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Connectivity solution unites MCU, RTOS

Posted: 29 Jan 2009     Print Version  Bookmark and Share

Keywords:connectivity solution  MCU  RTOS 


Freescale Semiconductor Inc. has introduced a "one-stop-shop" industrial connectivity solution that combines its most highly integrated 32bit ColdFire MCU family with a complimentary offering of the Freescale MQX RTOS.

Freescale's MCF5225x MCU family offers industrial connectivity solution with on-chip USB, Ethernet, controller area network (CAN) and encryption, along with Freescale MQX RTOS and associated tools and software stacks. The combined silicon and software solution gives developers design flexibility, connectivity options and fast time-to-market backed by a full-featured, scalable RTOS platform valued at approximately Rs.47.53 lakh ($95,000).

Based on the 32bit ColdFire V2 core, the MCF5225x MCUs are well-suited for a broad range of industrial networking, building/lighting control and medical applications that require high performance and connectivity options.

For factory automation systems, the MCF5225x MCU's USB port can be used to develop interfaces to standard USB barcode scanners, and the embedded Fast Ethernet controller makes it easy to control various terminals in a networked building. When used in building control applications, the MCU's embedded cryptographic accelerator unit enables secure communications through Ethernet. The MCU's USB connectivity supports fast, easy downloads of patient data for medical applications, and its serial connectivity options simplify connection to wireless modules and LCD screens used in personal medical devices.

By integrating USB device/host/on-the-go, Fast Ethernet and CAN on the same device, the MCF5225x family allows developers to implement the optimal connectivity protocol for their application requirements, without having to add separate communication controllers. The MCUs also include extensive integrated serial communications capabilities, such as a SPI, two I²C buses and three UARTs.

The MCF5225x MCUs feature an on-chip cryptographic accelerator unit and random number generator designed to help safeguard valuable data and IP during transmissions across industrial and building control networks. The encryption module supports DES, 3DES, AES, MD5 and SHA-1 algorithms.

These MCUs feature a 32bit ColdFire V2 core designed to deliver up to 76 Dhrystone 2.1 MIPS at 80MHz. The devices offer ample embedded memory (up to 512KB flash and 64KB SRAM) for performance-intensive applications and simplified coding. An enhanced multiply-accumulate controller (EMAC) with hardware divide capability and a direct-memory access (DMA) controller enhance system performance by freeing the ColdFire core to perform other tasks.

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