MCUs provide USB-enabled touch-sensing solutions

28 May 2008 DSP, Micros & Memory

Microchip has announced the new 12-member PIC24FJ256GB1 16-bit microcontroller (MCU) family, with standby current of just 2,6 μA and memory offering of 256 KB Flash and 16 KB RAM.

The family integrates USB 2.0 device, embedded-host, dual-role and on-the-go (OTG) functionality, making it cost effective and easy to add advanced USB features to embedded designs. Microchip also provides complete software support, via free USB class drivers and applications. Applications such as reading and writing to Flash drives, interfacing to wireless networks, and system updates are all enabled through this family.

In addition, the integrated charge time measurement unit (CTMU) peripheral - along with the royalty-free mTouch Sensing Solution software development kit - enables designers to add a capacitive-touch user interface without any external components. Combining this with Microchip's free QVGA Graphics Software Library, engineers have access to a cost-effective, USB-enabled user interface solution.

The devices offer up to four UARTs, three SPI ports and three I²C ports to expand control capabilities and also feature the 'Peripheral Pin Select' pin-mapping function, which provides advanced I/O flexibility by enabling designers to map digital peripherals to different pins.

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