This is an old revision of the document!
LCD module
LCD module is a combination of connectors of Digital i/o module and two different LCD displays. Digital i/o module can provide two voltage level connections for the LCDs. alphanumeric LCD which is working on the 5 V level and graphical LCD which is working on the 3.3 V level. the back-light intensity of alphanumeric LCD is regulated with small potentiometer (LCD_BG) on the digital i/o board and graphical LCD back-light can be controlled by the software. Both LCD displays are connected to the port PA but only on at a time.
connecting the LCD displays
Mooduli ühendamisel on soovitatav järgida allolevat järjekorda ja enne ühendamist veenduda, et Kontrollermooduli toide on lahti ühendatud.
- Ühendada Digitaalne sisend-väljundmoodul Kontrollermooduliga kasutades ribakaablit.
- Ühendada alfabeetiline või graafiline LCD ekraan Digitaalmooduliga (korraga ainult üks).
- Ühendada vajadusel JTAG programmaator Kontrollermooduliga.
- Ühendada Kontrollermooduli toide.
Alfabeetilise LCD ekraani ühendamine
Graafilise LCD ekraani ühendamine
