Introduction - If you have any usage issues, please Google them yourself
U disk controller IC CH331, CH331 is a small-capacity USB control chip, As long as plus a serial memory chips, we would achieve 2 KB to 512 KB of small U disk capacity.
Packet : 13898407ch331.rar filelist
ch331\CH331DS1.pdf
ch331\CH331PCB.ZIP
ch331\FORMATUD.EXE
ch331\PCB\CH331DSK.DDB
ch331\PCB\CH331DSK.Bkp
ch331\PCB
ch331