Bos Descriptor - NEC Renesas mPD720210 Hardware User Manual

μ
PD720210
4.2.2

BOS Descriptor

Field Name
bLength
bDescriptorType
wTotalLength
bNumDeviceCaps
Field Name
bLength
bDescriptorType
bDevCapabilityType
bmAttributes
Note 1: The Bit[1] value can be overridden by External ROM setting
Field Name
bLength
bDescriptorType
bDevCapabilityType
bmAttributes
wSpeedSupported
bFunctionalitySupport
bU1DevExitLat
wU2DevExitLat
Field Name
bLength
bDescriptorType
bDevCapabilityType
bReserved
bmAttributes
Note 1: The value can be generated and set by ROM Writing Tool
R19UH0093EJ0200 Rev.2.00
May 26, 2014
Table 4-12. BOS Descriptor
Size Value
1 05h
1 0Fh
2 002Ah
1 03h
Table 4-13. USB 2.0 Extension
Size Value
1 07h
1 10h
1 02h
4 00000002h
Table 4-14. SuperSpeed USB
Size Value
1 0Ah
1 10h
1 03h
1 00h
2 000Eh
1 01h
1 0Ah
2 000Ah
Table 4-15. Container ID
Size Value
1 14h
1 10h
1 04h
1 00h
16 UUID[127:0]
Description
Descriptor Length (5 bytes)
BOS Descriptor Type
Descriptor Total Length(42 bytes)
Number of device capability
Description
Descriptor Length (7 bytes)
DEVICE CAPABILITY Descriptor Type
USB 2.0 Extension
Support LPM: LPM_EN=1 (Note 1)
Description
Descriptor Length (10 bytes)
DEVICE CAPABILITY Descriptor Type
SuperSpeed USB
LTM Unsupported
Support FS, HS, SS
Full Speed
U1 Device Exit Latency
U2 Device Exit Latency
Description
Descriptor Length (20 bytes)
DEVICE CAPABILITY Descriptor Type
Container ID
Reserved
128-bit UUID (Note 1)
4. USB Descriptor Information
Page 23 of 59