Reference Manual Preliminary
Prox–DU & Prox–SU
www.gemalto.com Release for first samples Do not use for final design
DOC118569A Public Use Page 98/134
USB Descriptors
This chapter provides information about the USB descriptors for the Prox–DU and Prox–SU
devices.
Standard USB Descriptors
Device descriptor
The device is USB 2.0 compatible.
The reserved PID/VID of the device are the following:
• VID = 08E6h
• PID = 5502h : Boot Loader Prox Dual
• PID = 5503h : Prox–DU
• PID = 5504h : Prox–SU
• PID = 5505h : reserved for future use
The device has one configuration.
Device Descriptor
Offset Value Field
0 0x12 bLength (18 bytes)
1 0x01 bDescriptorType (Device)
0x00
2
0x02
bcdUSB release number (2.00)
4 0x00 bDeviceClass
5 0x00 bDeviceSubClass
6 0x00 bDeviceProtocol
7 0x20 bMaxPacketSize0 (Max packet size Endpoint 0 = 32 bytes)
0xE6
8
0x08
IdVendor = 0x08E6
XX
10
0x55
IdProduct = 0x5502 / 0x5503 / 0x5504
0x00
12
0x01
BcdDevice = 0x0100 (Device release number 1.00)
14 0x01 iManufacturer (Index of string descriptor manufacturer = 1)
15 0x02 iProduct (Index of string descriptor product = 2)
16 0x03 iSerialNumber ((Index of string descriptor device serial number = 3)
17 0x01 bNumConfigurations (Number of possible configurations)
Table 29 – USB Device Descriptor
Configuration descriptor
The device has three interfaces (one interface for the contact smart card, one interface for
the contactless smart card and one interface for the administration of the device).
The device is “Bus Powered” (delivered from the USB cable, no external power).
The device doesn’t support remote wake.