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Single-chip1. The definition of a single-chipSingle-chip is an integrated on a single chip a complete computer system .Even though most of his features in a small chip ，but it has a need to complete the majority of computer components ：CPU，memory，internal and external bus system，most will have the Core.At the same time，such as integrated communication interfaces ， timers ， real-time clock and other peripheral equipment.And now the most powerful single-chip microcomputer system can even voice ，image，networking，input and output complex system integration on a single chip. Also known as single-chip MCU（Microcontroller），because it was first used in the field of industrial control.Only by the single-chip CPU chip developed from the dedicated processor. The design concept is the first by a large numberof peripherals and CPU in a single chip，the computer system so that smaller，more easily integrated into the complex and demanding on the volume control devices.INTEL the Z80 is one of the first design in accordance with the idea of the processor ，From then on，the MCU and the development of a dedicated processor parted ways. Early single-chip 8-bit or all the four.One of the most successful is INTELs 8031 ，because the performance of a simple and reliable access to a lot of good praise.Since then in 8031to develop a single-chip microcomputer system MCS51 series.based on single-chip microcomputer system of the system is still widely used until now.As the field of industrial control requirements increase in the beginning of a 16-bit single-chip，but not ideal because the price has not been very widely used.After the90s with the big consumer electronics product development ， single-chip technology is ...