说明：   It s my own design .there are s3c44b0x and atl8019 in the design. it is original so need be improved.you can open it with protel 99se! I great appreciate your use!
(It's my own design. And there are at s3c44b0x l8019 in the design. it is original The need to be so need roved.you can open it with Protel 99SE! I great a ppreciate your use!)