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Motorola公司是国际上一家大的集成电路制造厂,它从1974年推出M6800微处理器后,在此基础上设计生产了一系列单片微机(MCU)、包括 M6801、M6804、M6805、M68HC11。这些单片机的性能各不相同,ROM和RAM 容量大小不一,I/O 功能也各有特色,可适应不同的应用场合。这使 Motorola单片机在国际上得到了广泛的应用,从各种简单的家用电器到复杂的工业控制设备,都使用了从M6804到M68HC11的各种单片微机。
Motorola, the world’s largest integrated circuit manufacturer, designed and manufactured a series of single-chip microcomputers (MCUs), including the M6801, M6804, M6805 and M68HC11, based on the introduction of the M6800 microprocessor in 1974. The performance of these microcontrollers varies, ROM and RAM capacity of different sizes, I / O functions also have their own characteristics, can be adapted to different applications. This makes Motorola SCM has been widely used in the international community, from a variety of simple home appliances to complex industrial control equipment, have used from M6804 to M68HC11 various single-chip microcomputer.