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Wednesday, June 21, 2017

NXP targets touch interfaces for IoT designs

By Nick Flaherty

NXP is combining specialized touch software with its Touch Sense Interface (TSI) module to simplify touch interface designs in the Internet of Things (IoT).

The module uses the Kinetis KE15Z MCU along with a complete set of tools enabling designers to easily add touch to user interface designs for home appliances, smart buildings, machines for industrial control and more. This is a 72MHz Cortex-M0+ 5V MCU with 256KB Flash+32KB FlexMemory and 32KB RAM.

Adding touch to a user interface can be a challenging task as there are many factors involved to ensure a successful user experience. NXP Touch includes self-cap and mutual cap operating modes with pre-certified and tested hardware, including IEC61000-4-6 certification for 3V and 10V and optimised software, including NXP Touch Library and SDK touch APIs support

“The new Touch solution reaffirms our commitment to helping the developer community quickly and easily innovate new mass market and IoT applications,” said Geoff Lees, senior vice president and general manager of the microcontroller business. “NXP Touch now integrates high-level APIs and offers GUI tools to support the development demands of our customers.”

The benefits of Kinetis KE15Z MCUs’ easy-to-integrate hardware includes pre-certification for (EMC, liquid toleration and noise immunity to prevent long design cycle times. The robust Kinetis KE15Z MCU is compliant with IEC61000-4-2, -4-4, 4-6 and IEC60730 class B standards to protect product and consumers in end designs by ensuring the voltage and temperature of the device remains within safe parameters. Additionally, the NXP Touch solution enables developers to create code easily with the integration of auto tuning and parameter configurations that include touch sensitivity, touch response time and power consumption, for example.

The software is integrated into the MCUXpresso development environment for ease of development. The solution is also supported by the FRDM-KE15Z hardware development platform.

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