10_Lab07_LCM - Microcomputer Systems and Lab Fall 2010 Lab...

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Microcomputer Systems and Lab Fall, 2010 微算機系統與實驗講義 Microcomputer Systems and Lab Fall, 2010 微算機系統與實驗講義 Lab # 7 LCM 控制實驗 一、預習內容: 瞭解 LCD Module 工作原理以及相關的控制方法。請參考課本第七章 7-126 始。 二、實驗說明: (1) 接線部分: 在本次實驗中,用到的 LCM 接腳是 1~14 ,其中腳位 1~2 為電源 ( 腳位 1 Gnd ,腳位 2 Vcc ,請勿接錯 ) ,腳位 3 控制面板亮度 ( 本實驗為接 Gnd ) 腳位 4~6 分別為 RS R/W Enable ,用來做暫存器的選擇,腳位 7~14 則為 Data Bus ,詳細的線路接法如下圖所示。 以課本範例程式為例 (7-161) ,其接線圖為 P2 LCD DB0~DB7 P1.0 LCM RS P1.1 LCD R/W P1.2 LCD E LCD 1 3 Gnd LCD 2 Vcc (2) 控制說明: 1) Command 依照控制的指令先給定欲控制的值,再利用 RS R/W E 這三隻 腳位,將值寫到 Instruction register
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Microcomputer Systems and Lab Fall, 2010 微算機系統與實驗講義
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