Immediately following the data packet is the handshake packet. The data packet can be sent by either the host or the device, depending on the direction of the transfer. The number of bytes that each data packet can contain depends on the maximum packet size of the default endpoint. Immediately following the token packet is the data packet that contains the payload.
#Udmx driver windows 8 full
For full speed, the host sends the packet every 1millisecond every 125 microsecond on a high-speed bus. The frequency at which this packet is sent depends on the bus speed. This type of token packet contains an 11-bit frame number.