字元型模組點不亮，該注意些什麼?
Winstar 字元型模組都是 6800 系列當作基礎，請先確定~
1. 相關時序 (Timing) 是否正確?
2. 硬體線路有沒有接錯?
3. 啟動初始化步驟 (Initial) 有沒有短缺?
圖1: 字元型 6800 時序表
圖2：寫入(Write)/讀取(Read)時序
圖3: 開機初始化步驟
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