26 August 2008
This TrueTouch touchscreen can interpret up to 10 inputs from all areas of the screen simultaneously.
TrueTouch uses Cypress Semiconductor’s PSoC programmable SoC (system on chip) for the multi-touch, all-point capability in mobile handsets, portable media players or GPS systems.
The TrueTouch family includes devices that perform traditional touchscreen functions, such as single touch, tap, double tap, pan, pinch, scroll and rotate. The family includes CY8CTST1xx single-touch devices and the CY8CTMG1xx multi-touch gesture devices and the CY8CTMA100 multi-touch, all point devices. Package options are 32pin and 56pin QFN. They are sampling now, with full production is expected next month.
The devices support projected capacitive touchscreens, which have the advantages of clarity, durability, reliability and are cost-effective, compared to resistive technology screens, claims the company.
The programmable TrueTouch architecture enables customers to work with a choice of touchscreen or LCD module vendors to create designs, opening up the design’s choice of materials. The PsoC architecture allows the engineer to integrate additional functions, such as driving LEDs, backlight control and I/O expansion. When used with communications options, such as I2C and SPI, the level of integration, according to the company, is ‘unparalleled’.
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