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32-bit MCU eases 8-bit app upgrade

Posted: 06 Sep 2010 ?? ?Print Version ?Bookmark and Share

Keywords:MCU? ARM processor? controller?

Nuvoton Technology introduces the NuMicro M051 series of MCUs. The devices are powered by the ARM Cortex-M0 processor. They deliver the same wide operating voltages and high performance of the company's previous products while including mixed-signal components and a variety of high-speed communication interfaces, enabling users to easily upgrade their products from the traditional 8051 to the 32-bit NuMicro M051.

Offering an operating frequency of up to 50MHz, equivalent to 45 Dhrystone MIPS, the devices feature a 32-bit single-cycle multiplier, nested vectored interrupt controller, and dual-channel Advanced Peripheral Bus. The series offers built-in Flash memory from 8KB to 64KB, 4KB SRAM and external bus interface for external address expansion. The series is equipped with high speed interfaces, including two UARTs, two SPIs and one I2C.

The series also offers rich analog peripherals, including 8 channels of 12-bit SAR ADC, low voltage detector, brown out detector, etc. In addition, four 32-bit timers, the watchdog timer and the built-in oscillator also enrich the capability of the NuMicro M051 series. With all of these features, the entire system performance can be optimized with the new series. This makes the NuMicro M051 series ideal for use in industrial control, security systems, communication systems and systems requiring high-speed computing and data collection.

32-bit NuMicro M051

In terms of development tools, Nuvoton Technology provides simple, easy-to-use and full-featured development systems to customers to develop products using the NuMicro M051 series. Abundant hardware tools including the NuTiny-M051, Nu-Link ( ICE Bridge ), Nu-LB (development learning board), standalone writer and gang-programmer are provided to help customers shorten the time-to-market for product development and production. Besides the tools provided by Nuvoton Technology, Keil, IAR and others also support the complete development tool chain for the Cortex-M series products.

Mass production of the NuMicro M051 series has begun and all products in the series are packaged with the LQFP48 and QFN32 with the price starting at $0.55 in volume. Also, there are different built-in memory options in the same package with the same pin assignment to meet the needs of different program functions. In this way, customers can upgrade their programs without altering the hardware design or PCB layout.

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