What can be maximum cable length between two hubs or two USB devices?
The maximum length of USB cable is 5 meters. (top) 35. What is difference between “composite” USB device & “compound” USB device? A “compound” USB device is one with that has a built in hub, in addition to one or more USB peripherals devices, all built into a single product with only one USB cable connecting it to the host. A “composite” USB device does not use hub silicon. It uses more than one interface in a single peripheral device. Currently, Microchip’s Full Speed USB silicon can be used to develop composite USB devices but not compound devices. (top) 36. Does Microchip custom USB Driver support Windows Vista? Release versions 1.3 and later contain an updated driver that works on Windows Vista (both 32 and 64 bit versions). (top) 37. What can be maximum capacitance across Vbus pin of a USB device? Why? The maximum capacitance as seen by the Vbus pin of the USB connector must be less than 10uF. This is to limit the inrush current that goes into the device when it is plugged into th