AT43311 データシートの表示（PDF） - Atmel Corporation

部品番号

コンポーネント説明

メーカー

AT43311

USB Hub

Atmel Corporation 

Device Descriptor

The Device Descriptor provides general information about the AT43311 Hub.

Offset Field

Description

0

bLength

Define size of descriptor = 18 bytes

1

bDescriptorType

Device descriptor type

2

bcdUSB

USB Spec. Release Number = Rev 1.0

Size (bytes)

1

1

2

4

bDeviceClass

Class code = HUB_CLASSCODE = 09

1

5

bDeviceSubClass

Subclass code

1

6

bDeviceProtocol

Protocol code

1

7

wMaxPacketSize0

Max. packet size for Endpoint0 = 8-bytes

1

9

idVendor

Vendor ID = Atmel Corporation

2

10 idProduct

Product ID = AT43311

2

12 bcdDevice

Device release number

2

Example: Rev A0 YY = 01

ZZ = 00

Rev B1 YY = 02

ZZ = 01

14 iManufacturer

Index of string descriptor describing

1

manufacturer = not supported

15 iProduct

Index of string descriptor describing product =

1

not supported

16 iSerialNumber

Index of string descriptor describing device’s

1

serial no. = not supported

17 bNumConfigurations Number of possible configurations = 1

1

Value

12H

01H

00H

01H

09H

00H

00H

08H

EBH

03H

11H

33H

ZZH

YYH

00H

00H

00H

01H

8

AT43311

Share Link: