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參數資料
| 型號： | FT8U245AM |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | USB FIFO - Fast Parallel Data Transfer IC |
| 中文描述： | USB先進先出-快速并行數據傳輸芯片 |
| 文件頁數： | 12/15頁 |
| 文件大小： | 46K |
| 代理商： | FT8U245AM |
USB Device Descriptors
Note:
E
- replaced by E2Rom Value,
C
- modified by configuration option
LABEL : Device_Des;
{* device descriptor *}
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;
E
0018 03 04 Val : $03,$04;{Vendor ID FTDI}
E
001A 01 60 Val : $01,$60;{product number 6001}
LABEL : Device_Des_Vendor_End;
E
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}
E
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}
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