32-bit ARM MCUs

25 January 2012 DSP, Micros & Memory

NXP Semiconductors has announced the availability of new low-pin-count package options – SO20, TSSOP20, TSSOP28 and DIP28 – for its ARM Cortex-M0 LPC1100 family of microcontrollers.

Target applications include human interface devices (HID), consumer electronics, alarm systems, small appliances and simple motor control. They deliver 50 MIPS of performance compared to the 1 to 5 MIPS performance typical of 8/16-bit MCUs, at a competitive price point.

Existing LPC1100 customers can easily convert their designs to the LPC111x devices and reuse their software due to the identical Cortex-M0 instruction set. In addition, these low-pin-count packages are designed for easy PCB layout and scalability by sharing the same pin-out for VDD, VSS, GND and XTAL.

The LPC1100 series can execute sophisticated algorithms at low power, meeting the ever increasing demands of cost-sensitive applications that 8-bit microcontrollers struggle to achieve, such as interfacing with sensors and performing complex control tasks. For example, a 16-bit multiply operation performed by an 8-bit microcontroller requires 48 clock cycles at over 770 μA/MHz, while an LPC1100 device can complete the same task in one cycle at 130 μA/MHz.

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