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TK-78F0730
Field
bLength
bDescriptor
wTotalLength
1
1
2
Size
bNumInterfaces
1
bConfigurationValue
1
iConfiguration
1
bmAttributes
1
bMaxPower
1
Description
Descriptor size
Descriptor type
Total length of the configuration (configuration,
interface, endpoint, and other descriptors)
Number of interfaces supported in the
configuration
Input value (>= 1) for selecting this
configuration with SetConfiguration
Index to string descriptor to indicate
descriptor
Configuration attributes with the unit of bit
D7: "1"
D6: self-powered
D5: remote wake-up
D4-D0: reserved (0)
Maximum power consumption of bus with
the unit of 2mA
Value
0x09
0x02
0x0020
0x01
0x01
0x00
0x80
0x32
Table 28: Configuration Descriptor Serial Conversion Sample
Field
bLength
bDescriptor
bInterfaceNumber
1
1
1
Size
bAlternateSetting
1
bNumEndpoints
1
bInterfaceClass
1
bInterfaceSubclass
bInterfaceProtocol
1
1
iInterface
1
Description
Descriptor size
Descriptor type
Index Number (0 based) to indicate this
interface in the configuration
Input value to select alternate setting in
SetInterface
Interface endpoint number (excluding endpoint
0)
Class Code
0x00: no class
0xFF: vendor
0x01 – 0xFE: specific
Subclass code
Protocol code
0x00: no specific protocol
0xFF: vendor specific protocol
Index to string descriptor to indicate
interface
Value
0x09
0x04
0x00
0x00
0x02
0xFF
0x00
0x00
0x00
Table 29: Interface Descriptor Serial Conversion Sample
User’s Manual U19557EE1V1UM00.
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