【正文】 DDRAM 位址到位址計(jì)數(shù)器（ AC） 6) 寫數(shù)據(jù)到 RAM 功能：寫入資料到內(nèi)部的 RAM（ DDRAM/CGRAM/TRAM/GDRAM） 7) 反白選擇（ 14H） 功能：可以對(duì)液晶 4 行的任意一行進(jìn)行反白顯示 8) 擴(kuò)充功能設(shè)定（ 016H） 功能： RE=1；擴(kuò)充指令集動(dòng)作 RE=0；基本指令集動(dòng)作 G=1；繪圖顯示 ON G=0；繪圖顯示 OFF 9) 設(shè)定繪圖 RAM 位址（ 018H） 功能：設(shè)定 GDRAM 位址到位址計(jì)數(shù)器（ AC） 液晶文字及圖片的顯示 (1) 文本顯示 RAM(DDRAM) QC12864B 漢字圖形點(diǎn)陣液 晶的文字 顯示 RAM 共有 8 個(gè) 4 行的空間 存放 漢字， 向文本 RAM 寫入 時(shí)， 能夠 分別顯示 CGRAM 的字型 與 半寬的 HCGROM 以及 中文 CGROM 字型。 本 文從 系統(tǒng) 設(shè)計(jì)的總體 方案 到 模塊 化 電路 及 軟 件 實(shí)現(xiàn)等，系統(tǒng)的 描述了該系統(tǒng) 設(shè)計(jì) 的整個(gè) 過程。 附 錄 include // DSP281x Headerfile Include File include // DSP281x Examples Include File define uchar unsigned char define uint unsigned int uchar Lcd_picture_num_mr_tj[] = {//太極圖 0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00, 0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00, 巢湖學(xué)院 2022 屆本科畢業(yè)論文（設(shè)計(jì)） 31 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