Configrationdescriptor, Interfacedescriptor, Endpointdescriptor – Toshiba H1 Series User Manual

Page 65

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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

<Endpoint1>

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)

<Endpoint2>

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)

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