USB Library
RESET_DEVICE

The RESET_DEVICE command (0x08) causes the device to issue a software reset. The command does not have any data payload or associated response. This command is typically used to effectively switch from firmware update mode back into application run mode. 

Table: RESET_DEVICE command format (sent from host to device)  

Packet Byte 
Content 
RESET_DEVICE(0x08) 
1-63 
(padding) 
MLA - USB Library Help Version : 2.16
http://www.microchip.com/mla