The USB100 is a Low cost, fully customizable controller for USB HID-class pointing devices. It is in full compliance with REV 1.0 of the USB standard and implements the HID class specification for mice, trackballs, joysticks and gamepads. This device interprets the commands specified in the HID class document and provides appropriate responses from an On-Chip EEPROM. It also provides ability to customize the device according to individual needs of the designers. Programming utilities supplied with this device allow HID manufacturers to easily create the necessary data to be programmed into the device.