通用同步异步收发器（USART）提供了一种灵活的方法来与使用工业标准NR 异步串行数据格式的外部设备之间进行全双工数据交换。 USART利用分数波特率发生器提供宽范围的波特率选择，支持同步单向通信和半双工单线通信。 1、STM32固件库使用外围设备的主要思路 ...

FlagStatus：中断标志位状态，在没有使能中断时使用。 ITStatus：除了获取中断标志位状态，还会判断是否发生了中断。 电平转换：stm32中的USART属于TTL电平，因此不能直接连接到电脑的USB口，而是需要通过模块对相应电平进行转换。 USB转TTL模块与PC直接连接供电 ...

LL Cool J is one of hip-hop’s most popular and enduring MCs. These timeless songs are essential listening for hip-hop fans. As the 1990s began, he struck back at the haters with his most ...

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The best cool box could make all the difference to your next camping or beach trip. We've tested electric cool boxes and passive ones on everything from insulation to durability and portability.

Recorded over three sessions between 1949 and 1950, Miles Davis’ ‘Birth Of The Cool’ is a landmark jazz album. The history behind the recording of the music that would ultimately become ...

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With just over 20 days left in the tournament, Dhoni featured in a promo for the event exhibiting his cool and calm demeanour. In the video, Dhoni mentioned that it was easier as a captain to remain ...

The development team says their creation will cool hot water down from 190°F (88°C) to 160°F (71°C) in three minutes and 151°F (66°C) in five minutes. Without any additional cooling ...