In this program the data mode used is mode 4 data bits, so it is used only DB4 - DB7. If the microcontroller is only used to write characters to the LCD then the pin R / W can be connected to the ground. Potentiometer used to adjust the contrast of the displayed character.
'==============================================
'Program LCD_1.bas
'Program untuk menampilkan pesan teks sederhana pada LCD
'==============================================
'Inisialisasi LCD
Config Lcd = 16 * 2
Config Lcdpin = Pin , Db4 = P2.4 , Db5 = P2.5 , Db6 = P2.6,
Config Lcdpin = Pin , Db7 = P2.7 , E = P2.2 , Rs = P2.0
P2.1 = 0 'R/W=0
Initlcd
Cursor Off
Cls
Upperline
Lcd "Sistem Komputer Gunadarma"
Lowerline
Lcd "Kalimalang"
End
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