16x2 Lcd Diagram. If we want to send the command to clear the display we have to send 0000 upper nibble on the data bus and then send 0001 lower nibble on the data bus. You may be wondering that what does this 16X2 means.
Consists of two rows and each row can print 16 characters. LCD Module project offers an easy way of interfacing a 16X2 Alphanumeric LCD. Working Principle of LCD Note-If you are looking for a note on technical specifications of LCD Displays for Interfacing it with micro controllers- here we have a great article on the same- A Note on Character LCD DisplayThe material liquid crystal was discovered accidentally by the botanist Freidrich.
This is a GND pin of display used to connect the GND terminal of the microcontroller unit or power source.
Current consumption is 1mA without backlight. An LCD is an electronic display module which uses liquid crystal to produce a visible image. From the circuit diagram the four data pins of the LCD D4 D7 are connected to P017 to P020 pins of the LPC2148. The diagram below shows the timing diagram for sending a command to the LCD in 4-bit mode.
