CAMBRIDGE, UK Avago Technologies announced a miniature optical finger navigation (OFN) input system that brings high precision cursor control to a variety of mobile and consumer electronic devices.
The OFN solution is user-friendly and builds on Avago's optical navigation sensor technology. It features a low-power architecture and power management modes, making it suitable for use in battery- and power-sensitive applications.
The device is capable of high-speed motion detection of up to nearly 0.4m/s. The device has an on-chip oscillator and integrated LED to minimize external components. Due to the fact that there are no moving parts in this OFN solution, end-users benefit from a device that is highly reliable and requires little or no maintenance.
Additionally, precision optical alignment is not required, enabling high volume assembly.
Other features include a self-adjusting frame rate for optimum performance, a motion detect pin output, an internal oscillator, and a selectable 250, 500, 750, 1000 and 1250 cpi resolution or auto adjustment.
The chip operates from dual 2.8V/1.8V or single 2.8V supplies and has a selectable I/O voltage of 2.8 or 1.8V nominal. Interfaces include a serial peripheral interface or two wire interface.
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