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介绍DS80C320高速微控制器串行端口的的设置和工作
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2009-06-29
刘高
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The High–Speed Micro’s serial interfaces are functionally
identical to those found on other lower performance
8051 processors. They are based on a Universal Synchronous/
Asynchronous Receiver/Transmitter
(USART) implementation. As the name implies, a
USART converts parallel data to and from a synchronous
or asynchronous serial bit stream. The parallel
data side of the device interfaces with the processor’s
internal data bus, and the serial side interfaces with the
outside world. This application note describes the setup
and operation of the most commonly encountered operating
modes of this interface.
identical to those found on other lower performance
8051 processors. They are based on a Universal Synchronous/
Asynchronous Receiver/Transmitter
(USART) implementation. As the name implies, a
USART converts parallel data to and from a synchronous
or asynchronous serial bit stream. The parallel
data side of the device interfaces with the processor’s
internal data bus, and the serial side interfaces with the
outside world. This application note describes the setup
and operation of the most commonly encountered operating
modes of this interface.
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