Integrating Touch Screens with USB Connectivity

div class="googleright">of tablets and Windows 7 support for touch screen
The recent launch of Apple’s iPad spawned atechnology.
new product category: the tablet. Touch screenMost touch screen systems will connect with the host
support has become the default human interface asCPU or application processor through a universal serial
tablets focus on ease of use and keyboardless design.bus (USB) interface. However, none of today’s
Meanwhile, Microsoft has added touch screen supportmajor touch screen controllerssupport USB natively.
at the foundationof its Windows® 7 architecture.As a result, touch screen system integrators must
Credit Suisse estimates more than 33 million units of“bridge” a USB microcontroller (MCU) between
large touch screen products will be sold in 2011, mainlythe host and the touch controller(s).
due to these two driving forces: the growingpopularity