文字型：已經有內建文字圖形（通常只有英文字母大小寫、阿拉伯數字、標點符號），只要輸入對應的字形碼（ASCII code），LCD便會將該字的圖形顯示於LCD，可參考課本第三篇第三章。

　　繪圖型：只能用繪圖的方式將資料顯示於LCD，所以必須先將要顯示文字的圖形依LCD所需的格式事先存起來，如一個16 15的中文字便需儲存30byte的資料，將此30byte的資料依序填入LCD即可顯示對應文字圖形，可參考課本第四篇第二章。

-Letter type: already have built-language graphics (usually only the upper and lower case letters of the alphabet, Arabic numerals, punctuation), as long as the characters enter the corresponding code (ASCII code), LCD will be the word of graphical display in the LCD, can refer to textbooks Title III, Chapter III. Mapping Type: Mapping the way can only use the information displayed on the LCD, so must first language to display graphics in accordance with the required format LCD save up in advance, such as a 16 　15 in the language it needs to be stored 30byte information, this 30byte information then fill in LCD to display the corresponding graphic language, may refer to textbooks for fourth chapter.