Title: Dan pian ji C yu yan ying yong 100 li
Description: Ben shu yi MCS-51 xi lie dan pian ji wei zhu ti, Jie shao le dan pian ji kai fa bi bei de ji chu zhi shi he ruan/ ying jian tiao jian, Bing jie shao le dan pian ji de ying jian jie gou ji chang yong jie kou ji shu he dian xing xin pian de ying yong deng.