four-bit interface 中文意思是什麼
four-bit interface
解釋
四位介面-
Comparing with the traditional parallel interface chips, they have fewer legs ~ smaller volume and use fewer resources. therefore, multiple channel data selecting controls keyboar &. display and alarm are realized through at89c52 ? four eight - bit i / o interface, without extending other i / o interface, making the system simplified and reliability increased
單片機的i / o介面晶元全部採用最新的串列工作方式介面晶元,與傳統的并行介面晶元相比,它們引腳數少,體積小,佔用的口資源少,因此用at89c52的4個8位的i / o口就完成了多個通道的數據採集、控制、鍵盤、顯示和報警等功能,沒有擴展其它i / o介面,使系統接線簡化,可靠性提高。
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