FT8U232 datasheet(10/13 Pages) FTDI

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USB Device Descriptors

Note: E - replaced by E2Rom Value, C - modified by configuration option

{* device descriptor *}

LABEL : Device_Des;

0010 12

Val : Device_Len;{length of this descriptor in bytes}

0011 01

Val : $01;{Device descriptor type}

0012 10 01

Val : $10,$01;{USB Spec rev 1.10}

0014 00

Val : $00;{Device class ?}

0015 00

Val : $00;{Device subclass ?}

0016 00

Val : $00;{Device protocol ?}

0017 08

Val : Max_Length;{maximum packet size}

LABEL : Device_Des_Vendor;

0018 03 04

Val : $03,$04;{Vendor ID FTDI}

001A 01 60

Val : $01,$60;{product number 6001}

LABEL : Device_Des_Vendor_End;

001C 00 02

Val : $00,$02;{device release number 02.00}

001E 01

Val : $01;{index of string descriptor describing manufacturer}

001F 02

Val : $02;{index of string descriptor describing product}

0020 03

Val : $03;{index of string descriptor describing serial number}

0021 01

Val : $01;{number of possible configurations}

{* end of device descriptor *}

LABEL : Device_Des_End;

LABEL : Config_Des;

{* configuration descriptor *}

0022 09

Val : $09;{length of this descriptor in bytes}

0023 02

Val : $02;{Configuration descriptor}

0024 20 00

Val : Config_Len,$00;{length of data returned for all things}

0026 01

Val : $01;{number of interfaces supported by this configuration}

0027 01

Val : $01;{configuration value}

0028 00

Val : $00;{index of string descriptor describing this configuration}

EC 0029 80

Val : 10000000b;{configured as bus powered and not remote wakeup}

002A 2D

Val : 45;{maximum power in 2 mA ie 90mA for now}

{* end of configuration descriptor *}

LABEL : Interface_Des;

{* interface descriptor *}

002B 09

Val : $09;{length of this descriptor in bytes}

002C 04

Val : $04;{Interface descriptor}

002D 00

Val : $00;{interface number}

002E 00

Val : $00;{alternate setting}

002F 02

Val : $02;{number of endpoints excluding 0 = 1}

0030 FF

Val : $ff;{class code}

0031 FF

Val : $ff;{subclass}

0032 FF

Val : $ff;{protocol code}

0033 02

Val : $02;{index of string descriptor describing this interface}

{* end of interface descriptor *}

LABEL : Interface_Des_End;

LABEL : Endpoint_Des;

LABEL : Endpoint3_Des_End;

0034 07

Val : $07;{length of this descriptor in bytes}

0035 05

Val : $05;{End point descriptor}

0036 81

Val : 10000001b;{in endpoint at address 1}

0037 02

Val : 00000010b;{attribute as bulk}

0038 40 00

Val : 64,$00;{maximum packet size}

003A 00

Val : $00;{interval for polling endpoint for data transfers}

FT8U232 Datasheet(PDF) 10 Page - Future Technology Devices International Ltd.

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