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   SY2811MA USB disk read-write module is a mini board controler for the bulit-in USB disk. It is utilized for the clading mass storage on the portable instrument and embeded dada acquisition system. it is full compatible with the USB Specification v1.1. 
   

Features:

◆ Nicer compliance: standard USB HOST interface, mostly compliance with USB Disk.
◆ Standard interface: with RS232 interface ;
◆ Sample instructions: 13 instructions;
◆ Embeded application: Embeded in the user's system directly;
◆ Mini designing: high density SMT processing, small-scale module.

Functions:

◆ Check the states for USB Disk;
◆ Creat files and directories;
◆ Open a created file and direcctories;
◆ Access to specified position and length data from a file;
◆ Write data to a specified file's address;
◆ List the files and derectorise under the derectory;
◆ Delet the file or derectory;
◆ Inquir the capability of the USB Disk;