Designing a low cost CY7C63723 combination mouse(15)

Offset01245678

Field

Blength

BdescriptorTypeWtotalLengthBnumInterfacesBconfigurationValueIconfigurationBmAttributesMaxPower*3

Size11211111

Value0x090x020x00220x010x010x040xA00x19

Description

Size of configuration descriptorConfiguration Descriptor Type

Total size of configuration descriptor including interface, hidand endpoint descriptorsOne interface

Used by SET CONFIGURATION to select this configurationUSB HID Compliant Mouse

Bus powered and able to perform remote wakeupBus power draw is about 50mA

Interface Descriptor

Offset012345678

Field

Blength

BdescriptorTypeBinterfaceNumberBalternateSettingBnumEndpointsBinterfaceClassBinterfaceSubClassBinterfaceProtocolIinterface

Size111111111

Value0x090x040x000x000x010x000x010x020x00

Description

Size of interface descriptorInterface Descriptor TypeInterface Number 0Alternate Setting 01 Endpoint

Interface Class assigned by USB spec

Interface Sub Class assigned by USB specInterface Protocol assigned by USB specNot supported

HID Descriptor

Offset0124567

Field

Blength

BdescriptorTypeBcdHID

BcountryCodeBnumDescriptorsBdescriptorTypeWdescriptorLength

Size1121112

Value0x090x210x01100x000x010x220x0048

Description

Size of HID descriptorHID descriptor type

Version of HID spec 1.1Country Code USA

Number of report descriptorsDescriptor type

HID report Descriptor length

Endpoint Descriptor

Offset012346

Field

Blength

BdescriptorTypeBendpointAddressBmAttributes

WmaxPacketSizeBinterval

Size111121

Value0x070x050x810x030x00040x0A

Description

Size of Endpoint descriptorEndpoint descriptor typeIN endpoint on endpoint 1Interrupt endpoint

Maximum packet size 4 bytesPolling interval of 10ms

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