<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[hello_CCHENG的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/hello_CCHENG</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; hello_CCHENG]]></copyright><item><title><![CDATA[客观题知识点总结]]></title><link>https://blog.youkuaiyun.com/hello_CCHENG/article/details/161850954</link><guid>https://blog.youkuaiyun.com/hello_CCHENG/article/details/161850954</guid><author>hello_CCHENG</author><pubDate>Wed, 10 Jun 2026 19:32:10 +0800</pubDate><description><![CDATA[SFR类别寄存器功能定时器/计数器TCON定时器控制定时器/计数器TMOD定时器模式设置中断系统IE中断允许控制中断系统IP中断优先级设置串行通信SCON串口控制51单片机是通过I/O端口实现对外部控制和信息交换的。通用使用规则：51 单片机所有 I/O 口用作输入时，需先向端口锁存器全部置 1（写入 0xFF）。端口访问地址第二功能内部上拉是否需要上拉电阻主要用途P080H地址/数据总线无需要总线通信、扩展外设、低8位地址输出P190H无。]]></description><category></category></item><item><title><![CDATA[6位数码管静态显示]]></title><link>https://blog.youkuaiyun.com/hello_CCHENG/article/details/159953816</link><guid>https://blog.youkuaiyun.com/hello_CCHENG/article/details/159953816</guid><author>hello_CCHENG</author><pubDate>Wed, 08 Apr 2026 12:01:12 +0800</pubDate><description><![CDATA[【代码】6位数码管静态显示。]]></description><category></category></item><item><title><![CDATA[单片机案例:单位数码管显示0，7和轮转显示0—9]]></title><link>https://blog.youkuaiyun.com/hello_CCHENG/article/details/159724949</link><guid>https://blog.youkuaiyun.com/hello_CCHENG/article/details/159724949</guid><author>hello_CCHENG</author><pubDate>Wed, 01 Apr 2026 12:38:39 +0800</pubDate><description><![CDATA[【代码】单片机案例:单位数码管显示0，7和轮转显示0—9。]]></description><category></category></item><item><title><![CDATA[案例5_1：单位数码管显示0]]></title><link>https://blog.youkuaiyun.com/hello_CCHENG/article/details/159712086</link><guid>https://blog.youkuaiyun.com/hello_CCHENG/article/details/159712086</guid><author>hello_CCHENG</author><pubDate>Wed, 01 Apr 2026 08:58:44 +0800</pubDate><description><![CDATA[【代码】案例5_1：单位数码管显示0。]]></description><category></category></item><item><title><![CDATA[用Notepad++写“HelloWorld“java代码]]></title><link>https://blog.youkuaiyun.com/hello_CCHENG/article/details/128719344</link><guid>https://blog.youkuaiyun.com/hello_CCHENG/article/details/128719344</guid><author>hello_CCHENG</author><pubDate>Wed, 18 Jan 2023 22:22:13 +0800</pubDate><description><![CDATA[Notepad++设置“首选项”]]></description><category></category></item><item><title><![CDATA[HelloWorld案例]]></title><link>https://blog.youkuaiyun.com/hello_CCHENG/article/details/128614811</link><guid>https://blog.youkuaiyun.com/hello_CCHENG/article/details/128614811</guid><author>hello_CCHENG</author><pubDate>Tue, 10 Jan 2023 15:25:33 +0800</pubDate><description><![CDATA[程序员的第一段代码“HelloWorld”]]></description><category></category></item><item><title><![CDATA[环境变量设置]]></title><link>https://blog.youkuaiyun.com/hello_CCHENG/article/details/128618127</link><guid>https://blog.youkuaiyun.com/hello_CCHENG/article/details/128618127</guid><author>hello_CCHENG</author><pubDate>Mon, 09 Jan 2023 19:32:17 +0800</pubDate><description><![CDATA[环境变量设置]]></description><category></category></item><item><title><![CDATA[第一章行列式思维导图]]></title><link>https://blog.youkuaiyun.com/hello_CCHENG/article/details/128590936</link><guid>https://blog.youkuaiyun.com/hello_CCHENG/article/details/128590936</guid><author>hello_CCHENG</author><pubDate>Sat, 07 Jan 2023 14:54:53 +0800</pubDate><description><![CDATA[第一章行列式思维导图]]></description><category></category></item><item><title><![CDATA[jdk的下载安装]]></title><link>https://blog.youkuaiyun.com/hello_CCHENG/article/details/128579481</link><guid>https://blog.youkuaiyun.com/hello_CCHENG/article/details/128579481</guid><author>hello_CCHENG</author><pubDate>Fri, 06 Jan 2023 18:33:04 +0800</pubDate><description><![CDATA[jdk的下载安装]]></description><category></category></item></channel></rss>