请问21ic嵌入式系统开发的子目录为啥要这么分呢？
https://bbs.21ic.com/images/tree/sub.gifhttps://bbs.21ic.com/images/tree/folder1.gif 嵌入系统开发https://bbs.21ic.com/images/tree/line.gifhttps://bbs.21ic.com/images/tree/line1.gifhttps://bbs.21ic.com/images/tree/reddot.gif侃单片机https://bbs.21ic.com/images/tree/line.gifhttps://bbs.21ic.com/images/tree/line1.gifhttps://bbs.21ic.com/images/tree/reddot.gifFPGA/CPLD
https://bbs.21ic.com/images/tree/line.gifhttps://bbs.21ic.com/images/tree/line1.gifhttps://bbs.21ic.com/images/tree/reddot.gif嵌入式系统
https://bbs.21ic.com/images/tree/line.gifhttps://bbs.21ic.com/images/tree/line1.gifhttps://bbs.21ic.com/images/tree/reddot.gifARM 论坛
https://bbs.21ic.com/images/tree/line.gifhttps://bbs.21ic.com/images/tree/line1.gifhttps://bbs.21ic.com/images/tree/reddot.gifDSP 技术
https://bbs.21ic.com/images/tree/line.gifhttps://bbs.21ic.com/images/tree/line1.gifhttps://bbs.21ic.com/images/tree/reddot.gifLINUX|编程
https://bbs.21ic.com/images/tree/line.gifhttps://bbs.21ic.com/images/tree/line1.gifhttps://bbs.21ic.com/images/tree/reddot.gif驱动开发|WIN编程
https://bbs.21ic.com/images/tree/line.gifhttps://bbs.21ic.com/images/tree/line1.gifhttps://bbs.21ic.com/images/tree/reddot.gif国产单片机
https://bbs.21ic.com/images/tree/line.gifhttps://bbs.21ic.com/images/tree/line1.gifhttps://bbs.21ic.com/images/tree/reddot.gifAVR 单片机
https://bbs.21ic.com/images/tree/line.gifhttps://bbs.21ic.com/images/tree/line1.gifhttps://bbs.21ic.com/images/tree/reddot.gifPIC 单片机
https://bbs.21ic.com/images/tree/line.gifhttps://bbs.21ic.com/images/tree/line1.gifhttps://bbs.21ic.com/images/tree/reddot.gifCypress创新技术论坛
https://bbs.21ic.com/images/tree/line.gifhttps://bbs.21ic.com/images/tree/line1.gifhttps://bbs.21ic.com/images/tree/reddot.gifZLG
https://bbs.21ic.com/images/tree/line.gifhttps://bbs.21ic.com/images/tree/line1.gifhttps://bbs.21ic.com/images/tree/reddot.gifST MCU
https://bbs.21ic.com/images/tree/line.gifhttps://bbs.21ic.com/images/tree/line1.gifhttps://bbs.21ic.com/images/tree/reddot.gif中颖MCU
https://bbs.21ic.com/images/tree/line.gifhttps://bbs.21ic.com/images/tree/line11.gifhttps://bbs.21ic.com/images/tree/reddot.gif芯唐.万利
https://bbs.21ic.com/images/tree/line.gifhttps://bbs.21ic.com/images/tree/line1.gifhttps://bbs.21ic.com/images/tree/reddot.gifMegawin(笙泉)单片机 这主要是因为所谓“嵌入式系统”之着重点在于其内涵，即MCU和相关操作系统。其实“嵌入式系统”其外延非常丰富，只是此坛未涉及而已。
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