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32bit Fujitsu MCUs tout ARM cores

Posted: 08 Nov 2012     Print Version  Bookmark and Share

Keywords:32bit  general purpose  MCUs  microcontrollers  ARM cores 

Fujitsu Semiconductor America rolls the FM4 and FM0+ MCU families. The introduction of these new devices brings the company's ARM-based devices to more than 700 products featuring a consistent architecture and offering design flexibility.

The FM4 family of MCUs covers the highest end of the product range with DSP and floating point (FPU) capabilities not available in the previous FM3 family. Also, the products in the FM4 family will offer SDRAM and SD card interface functions and a variety of packaging options plus a wide range of timers and serial communications functions. The devices integrate high-quality and reliable flash memory technology from Fujitsu.

The devices feature inverter control functions, various communication functions, CAN, USB 2.0 and Ethernet support, high-speed serial communications functions and high-speed, high-performance ADCs. These features make the FM4 products suited for motor controls and network controls in factory automation applications, as well as for inverters and other industrial equipment.

On the other hand, the FM0+ family is said to be the energy-efficient family of MCUs. The devices have a power-efficient Cortex-M0+ core and features the peripheral functions of the FM3 family, all delivered with high-quality flash memory technology. Compared with the previous Cortex-M0 core, the Cortex-M0+ core achieves 10 per cent improved processing performance while consuming just two-thirds of the power.

These devices also have functions that cut power consumption so that the FM0+ family devices can target an operating current of 70uA/MHz and a standby current of just 0.7uA (in RTC mode). This low power consumption makes them suited for portable devices or other power-constrained applications such as battery-operated devices and electronic meters, and sensor controls.

Fujitsu plans to begin releasing sample quantities of products in these new families starting in 2013, and will begin full-scale production of these products later in the year.

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