paperback. Condition: New. Paperback. Pub Date :2014-04-01 Pages: 228 Publisher: China Water Power Press SCM principles includes an introduction. MCS-51 architecture. MCS-51 microcontroller instruction set. microcontroller C51 programming language based SCM system expansion technology microcontroller input-output interface devices. serial communication technology and microcomputer application systems such as anti-jamming design of 8 chapters. SCM principles system introduced 51 series hardware structure. the basic prin.