<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[qq_52217633的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/qq_52217633</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; qq_52217633]]></copyright><item><title><![CDATA[SD卡介绍（基于SPEC3.0）]]></title><link>https://blog.youkuaiyun.com/qq_52217633/article/details/125951923</link><guid>https://blog.youkuaiyun.com/qq_52217633/article/details/125951923</guid><author>qq_52217633</author><pubDate>Sat, 23 Jul 2022 21:03:49 +0800</pubDate><description><![CDATA[SD介绍]]></description><category></category></item><item><title><![CDATA[时钟方案——硬件架构的艺术笔记[3]]]></title><link>https://blog.youkuaiyun.com/qq_52217633/article/details/125588800</link><guid>https://blog.youkuaiyun.com/qq_52217633/article/details/125588800</guid><author>qq_52217633</author><pubDate>Sun, 03 Jul 2022 22:05:43 +0800</pubDate><description><![CDATA[时钟处理]]></description><category></category></item><item><title><![CDATA[硬件架构的艺术-行波计数器笔记]]></title><link>https://blog.youkuaiyun.com/qq_52217633/article/details/125349472</link><guid>https://blog.youkuaiyun.com/qq_52217633/article/details/125349472</guid><author>qq_52217633</author><pubDate>Sat, 18 Jun 2022 19:37:43 +0800</pubDate><description><![CDATA[行波计数器的原理与改善]]></description><category></category></item><item><title><![CDATA[AHB总线介绍[2]-hready,hburst,htrans]]></title><link>https://blog.youkuaiyun.com/qq_52217633/article/details/125248983</link><guid>https://blog.youkuaiyun.com/qq_52217633/article/details/125248983</guid><author>qq_52217633</author><pubDate>Sun, 12 Jun 2022 20:29:44 +0800</pubDate><description><![CDATA[AHB 信号：hready,hburst,htrans]]></description><category></category></item><item><title><![CDATA[AHB总线介绍【1】]]></title><link>https://blog.youkuaiyun.com/qq_52217633/article/details/125236237</link><guid>https://blog.youkuaiyun.com/qq_52217633/article/details/125236237</guid><author>qq_52217633</author><pubDate>Sat, 11 Jun 2022 18:14:00 +0800</pubDate><description><![CDATA[AHB总线介绍]]></description><category></category></item><item><title><![CDATA[硬件架构的艺术-亚稳态个人笔记]]></title><link>https://blog.youkuaiyun.com/qq_52217633/article/details/125021646</link><guid>https://blog.youkuaiyun.com/qq_52217633/article/details/125021646</guid><author>qq_52217633</author><pubDate>Sat, 28 May 2022 19:59:14 +0800</pubDate><description><![CDATA[亚稳态（ 定义，产生原因及解决办法）
]]></description><category></category></item><item><title><![CDATA[STM32-USART(通用同步/异步串行接收/发送器) 2]]></title><link>https://blog.youkuaiyun.com/qq_52217633/article/details/124898374</link><guid>https://blog.youkuaiyun.com/qq_52217633/article/details/124898374</guid><author>qq_52217633</author><pubDate>Sat, 21 May 2022 16:50:45 +0800</pubDate><description><![CDATA[这次会把上次没有提到的几种模式，进行梳理。

1 同步模式

USART和UART的区别在于，USART多了一个同步模式。众所周知，异步通信需要保证主从设备的波特率相同。而同步模式则需要uasrt给与其他设备一个时钟，告诉他数据来了。这个时钟是通过CK PIN脚输出的，注意：在起始位和停止位中没有脉冲宽度。 当然你可以根据具体的寄存器去配置时钟得相位和极性。具体的配置和极性如下

2 硬件流控

硬件流控是两个设备相互通信的作用,

CTS:clear to send 这个信号是外部给与的信号，在接收时是一]]></description><category></category></item><item><title><![CDATA[STM32-USART(通用同步/异步串行接收/发送器)]]></title><link>https://blog.youkuaiyun.com/qq_52217633/article/details/124765538</link><guid>https://blog.youkuaiyun.com/qq_52217633/article/details/124765538</guid><author>qq_52217633</author><pubDate>Sat, 14 May 2022 12:10:24 +0800</pubDate><description><![CDATA[STM32-USART(通用同步/异步串行接收/发送器)]]></description><category></category></item><item><title><![CDATA[verilog逻辑符]]></title><link>https://blog.youkuaiyun.com/qq_52217633/article/details/120315166</link><guid>https://blog.youkuaiyun.com/qq_52217633/article/details/120315166</guid><author>qq_52217633</author><pubDate>Wed, 15 Sep 2021 19:23:53 +0800</pubDate><description><![CDATA[逻辑
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