Configrationdescriptor, Interfacedescriptor, Endpointdescriptor – Toshiba H1 Series User Manual
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TMP92CZ26A
92CZ26A-62
ConfigrationDescriptor
Field Name
Value
Meaning
bLength 09H
9
bytes
bDescriptorType 02H
Configuration
descriptor
wTotalLength 0020H
Total length (32 bytes) which each descriptor of both
configuration descriptor, interface
and endpoint is added.
bNumInterfaces
01H
There is one interface.
bConfigurationValue
01H
Configuration number 1
iConfiguration
00H
Index value of string descriptor indicating
configuration name (Not in use)
bmAttributes 80H
Bus
power
MaxPower
31H
Maximum power consumption (49 mA)
InterfaceDescriptor
Field Name
Value
Meaning
bLength 09H
9
bytes
bDescriptorType 04H
Interface
descriptor
bInterfaceNumber
00H
Interface number 0
bAlternateSetting
00H
Alternate setting number 0
bNumEndpoints
02H
There are two endpoints.
bInterfaceClass FFH
Specified
device
bInterfaceSubClass 00H
bInterfaceProtocol
50H
Bulk only protocol
iIinterface
00H
Index value of string descriptor indicating interface
name (Not in use)
EndpointDescriptor
Field Name
Value
Meaning
blength 07H
7
bytes
bDescriptorType 05H
Endpoint
descriptor
bEndpointAddress 01H
EP1=
OUT
bmAttributes 02H
Bulk
transfer
wMaxPacketSize
0040H
Payload 64 bytes
bInterval
00H
(Ignored for bulk transfer)
bLength 07H
7
bytes
bDescriptor 05H
Endpoint
descriptor
bEndpointAddress
82H
EP2 = IN
bmAttributes 02H
Bulk
transfer
wMaxPacketSize
0040H
Payload 64 bytes
bInterval
00H
(Ignored for bulk transfer)