μ
PD720210
4. USB Descriptor Information
R19UH0093EJ0200 Rev.2.00
Page 28 of 59
May 26, 2014
4.3
Full Speed Standard Descriptor
4.3.1 Device
Descriptor
Table 4-24. Device Descriptor
Field Name
Size
Value
Description
bLength
1
12h
Descriptor Length (18 bytes)
bDescriptorType 1 01h
Device
bcdUSB
2
0210h
USB 2.0 compliant, LPM support
bDeviceClass 1
09h Hub
Class
bDeviceSubClass
1
00h
USB Spec. define
bDeviceProtocol
1
00h
USB Spec. define
bMaxPacketSize0 1
40h
Max
64bytes
idVendor 2
045Bh
(Note
1)
idProduct 2
0209h
(Note
1)
bcdDevice 2
0100h
(Note
1)
iManufacturer 1
00h No
string
iProduct 1
00h
No
string
iSerialNumber 1 00h No
string
bNumConfigurations 1
01h
Number of configurations
Note 1:
The value can be overridden by ROM setting
4.3.2 BOS
Descriptor
Table 4-25. BOS Descriptor
Field Name
Size
Value
Description
bLength
1
05h
Descriptor Length (5 bytes)
bDescriptorType 1 0Fh BOS
Descriptor
Type
wTotalLength
2
002Ah
Descriptor Total Length (42 bytes)
bNumDeviceCaps
1
03h
Number of device capabilities
4.3.2.1 USB 2.0 Extension
Table 4-26. USB 2.0 Extension
Field Name
Size
Value
Description
bLength
1
07h
Descriptor Length (7 bytes)
bDescriptorType
1
10h
DEVICE CAPABILITY Descriptor Type
bDevCapabilityType
1
02h
USB 2.0 Extension
bmAttributes 4
00000002h
Supported
device capability (LPM_Enable=1) (Note.1)
Note 1:
the Bit[1] value can be overridden by External ROM setting
Summary of Contents for Renesas mPD720210
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