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Tuesday, February 25, 2014
MWC: Freescale Unveils Ultra-small MCU For Internet of Things Applications

Freescale Semiconductor has a tinier new microcontroller it hopes will help companies develop "Internet of things" applications.

The Kinetis KL03 MCU is the world's smallest 32-bit MCU based on ARM technology. It builds on the previous generation Kinetis KL02 device with new features, advanced integration, and greater ease-of-use - all in an even smaller 1.6 x 2.0mm2 package.

The new SoC is suited for space-constrained designs, including a wide range of applications in the consumer, healthcare, and industrial markets. It has been designed for the fast-growing Internet of Things (IoT) market, where edge nodes increasingly require more intelligence in ever-smaller form factors.

The Kinetis KL03 MCU combines the power efficiency of the Kinetis L series based on ARM Cortex-M0+ cores with low-power functionalities including register files, SRTC, low power UART, and additional low power wake up pins.

Additionally, the new product offers greater ease of use over the previous generation. An added ROM-based boot loader allows factory programming and on-line system firmware upgrades without adding circuitry to the board. An internal voltage reference (Vref) delivers improved analog performance by supplying an embedded 1.2 volt reference for the ADC, enabling several use cases for applications requiring high ADC accuracy.

The Kinetis KL03 MCU integrates:

- 48 MHz ARM Cortex-M0+ core, 1.71-3.6V operation
- Bit manipulation engine for more code-efficient handling of peripheral registers
- 32 KB flash memory, 2 KB RAM
- 8K ROM with on-chip boot loader
- High-speed 12-bit ADC
- Internal voltage reference for high ADC accuracy
- High-speed analog comparator
- Low power wake up
- Low-power UART, SPI, I2C (high speed)
-Secure real time clock
- Powerful timers for a broad range of applications including motor control
- -40 C to +85 C operation

The Kinetis KL03 MCU is code compatible across 900+ Cortex-M products. In addition, a FRDM-KL03Z Freescale Freedom development platform, as well as Processor Expert development system, Solution Advisor guide, and Freescale and third-party enablement support in the ARM-ecosystem will be available to support development targeting the new MCU.

Initial sampling of the Kinetis KL03 MCU will begin next month, with full production planned for June 2014. Suggested resale pricing is $0.75 (USD) in 100K-unit quantities.

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