USB

http://imaginglabo.web.fc2.com/PSvita-USB.htm

For descriptor details, see
 * PlayStation 4Camera or
 * Dualshock 4 or
 * PlayStation 3 Card Adapter

This is the output of the PS Vita USB bus

High Speed device @ 6 (0xFD140000): Composite device: ""PS Vita" Type B"   Port Information:   0x0018 Not Captive External Device Connected Enabled Number Of Endpoints (includes EP0): Total Endpoints for Configuration 1 (current):  4 Device Descriptor Descriptor Version Number:  0x0200 Device Class:  0   (Composite) Device Subclass:  0 Device Protocol:  0 Device MaxPacketSize:  64 Device VendorID/ProductID:  0x054C/0x04E4   (Sony Corporation) Device Version Number:  0x0100 Number of Configurations:  1 Manufacturer String:  1 "SONY" Product String:  2 ""PS Vita" Type B"        Serial Number String:   3 "xxxxxxxxxxxxxxx" Configuration Descriptor (current config) Length (and contents):  39 Raw Descriptor (hex)   0000: 09 02 27 00 01 01 00 C0  01 09 04 00 00 03 00 00 Raw Descriptor (hex)   0010: 00 00 07 05 81 02 00 02  00 07 05 02 02 00 02 00 Raw Descriptor (hex)   0020: 07 05 83 03 40 00 04 Number of Interfaces:  1 Configuration Value:  1 Attributes:  0xC0 (self-powered) MaxPower:  2 ma        Interface #0 - Unknown Alternate Setting  0 Number of Endpoints  3 Interface Class:  0   (Unknown) Interface Subclass;  0 Interface Protocol:  0 Endpoint 0x81 - Bulk Input Address:  0x81  (IN) Attributes:  0x02  (Bulk no synchronization data endpoint) Max Packet Size:  512 Polling Interval:  0 ( Endpoint never NAKs) Endpoint 0x02 - Bulk Output Address:  0x02  (OUT) Attributes:  0x02  (Bulk no synchronization data endpoint) Max Packet Size:  512 Polling Interval:  0 ( Endpoint never NAKs) Endpoint 0x83 - Interrupt Input Address:  0x83  (IN) Attributes:  0x03  (Interrupt no synchronization data endpoint) Max Packet Size:  64  (64 x 1  transactions opportunities per microframe) Polling Interval:  4 (8 microframes (1 msecs) ) Device Qualifier Descriptor Descriptor Version Number:  0x0200 Device Class  0   (Composite) Device Subclass  0 Device Protocol  0 Device MaxPacketSize:  64 Number of Configurations:  1 bReserved:  0 Other Speed Configuration Descriptor Length (and contents):  39 Raw Descriptor (hex)   0000: 09 07 27 00 01 01 00 C0  01 09 04 00 00 03 00 00 Raw Descriptor (hex)   0010: 00 00 07 05 81 02 40 00  00 07 05 02 02 40 00 00 Raw Descriptor (hex)   0020: 07 05 83 03 40 00 01 Number of Interfaces:  1 Configuration Value:  1 Attributes:  0xC0 (self-powered) MaxPower:  2 ma        Interface #0 - Unknown Alternate Setting  0 Number of Endpoints  3 Interface Class:  0   (Unknown) Interface Subclass;  0 Interface Protocol:  0 Endpoint 0x81 - Bulk Input Address:  0x81  (IN) Attributes:  0x02  (Bulk no synchronization data endpoint) Max Packet Size:  64 Polling Interval:  0 ms            Endpoint 0x02 - Bulk Output Address:  0x02  (OUT) Attributes:  0x02  (Bulk no synchronization data endpoint) Max Packet Size:  64 Polling Interval:  0 ms            Endpoint 0x83 - Interrupt Input Address:  0x83  (IN) Attributes:  0x03  (Interrupt no synchronization data endpoint) Max Packet Size:  64 Polling Interval:  1 ms

Original info provided by Nabnab