Patent ID: 8711096

Claim:
A dual protocol input device comprising: a chip with a number of semiconductor devices integrally formed thereon, including: an optical navigation sensor (ONS) to sense movement of the ONS relative to a surface; a wired protocol block to communicate data from the ONS to a host system by a wired communication protocol; a wireless protocol block to communicate data from the ONS to the host system by a wireless communication protocol; a micro-controller directly coupled through on-chip system bus to the ONS, the wired protocol block and the wireless protocol block, to control the ONS, the wired protocol block and the wireless protocol block to switch the input device between the wireless communication protocol and the wired communication protocol without interruption of data between the ONS and the host system or resetting the chip; and a power system comprising a boost regulator to boost an output voltage from a battery in the input device to an operating voltage of the chip, a linear regulator to regulate power supplied through a wired connection to the input device, and a power controller configured to switch the power system between power supplied from the battery and power supplied through the wired connection independent of the communication protocol selected by the micro-controller.