NEC Renesas mPD720210, Hardware User Manual

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PD720210 4. USB Descriptor Information
R19UH0093EJ0200 Rev.2.00 Page 16 of 59
May 26, 2014
4. USB Descriptor Information
4.1 SuperSpeed Descriptors
4.1.1 Device Descriptor
Table 4-1. Device Descriptor
Field Name Size(Byte) Value Description
bLength 1 12h Size of Descriptor (18 bytes)
bDescriptorType 1 01h Descriptor type (DEVICE)
bcdUSB 2 0300h USB Specification Release Number (3.00)
bDeviceClass 1 09h Class Code (HUB CLASS)
bDeviceSubClass 1 00h Sub Class Code (USB spec defined)
bDeviceProtocol 1 03h Protocol Code (USB spec defined, for USB 3)
bMaxPacketSize0 1 09h Endpoint 0 Max Packet Size (2^9 = 512 bytes)
idVendor 2 045Bh Vendor ID (Renesas Electronics)(Note 1)
idProduct 2 0210h Product ID (
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PD720210
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USB 3)(Note 1)
bcdDevice 2 0100h Device release number (“01.00”)(Note 1)
iManufacturer 1 00h Index of string descriptor (No descriptor)
iProduct 1 00h Index of string descriptor (No descriptor)
iSerialNumber 1 00h Index of string descriptor (No descriptor)
bNumConfigurations 1 01h Number of possible configuration (1)
Note 1: The value can be overridden by external ROM setting