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分布式系统接口的介绍和利用HC912B32进行演示系统的硬件
消耗积分:3 |
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大小:177 |
2009-06-23
韩刚龙
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System design requirements are continually changing as systems
become increasingly complex. In conventional systems where sensors
and actuators are connected directly to a microcontroller (MCU), the
number of pins available on the MCU limits system expansion. As a
result, extra costs can be incurred if another MCU is required or if the
hardware has to be redesigned to accommodate a higher pin count
MCU. An alternative approach is to move to a distributed bus
architecture. This option allows one master MCU to interconnect to
many remote sensors and actuators.
become increasingly complex. In conventional systems where sensors
and actuators are connected directly to a microcontroller (MCU), the
number of pins available on the MCU limits system expansion. As a
result, extra costs can be incurred if another MCU is required or if the
hardware has to be redesigned to accommodate a higher pin count
MCU. An alternative approach is to move to a distributed bus
architecture. This option allows one master MCU to interconnect to
many remote sensors and actuators.
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