Provides a rich instruction set: clear display, cursor back to the origin, display on / off, the cursor on / off, display character blink, cursor shift, display shift and so on. CGRAM can be used to store up to eight 5×8 dot matrix character font data graphic own definition. TC1602A-01T Ver.V00 - 5 - INTERFACE PIN FUNCTIONS ABSOLUTE MAXIMUM RATINGS ( Ta 25) Parameter Symbol Min Max Unit Supply voltage for logic VDD-0.3 +7.0 V Supply voltage for LCD Vo 0 VDD +0.3 V Input voltage VI-0.3 VDD +0. Providing display data buffer DDRAM, character generator CGROM and CGRAM. Support 4-bit and 8-bit data transfer mode. This 2004A LCD 20X4 Character LCD can display 4 lines of 20 characters. There is no change code for interfacing standard 16×2 or 20×4 LCD.Ģ0X4 Character Liquid Crystal Display is designed to display letters, numbers, symbols, dot matrix. 20X4 Character LCD Display has two registers, namely, Command and Data. In this LCD each character is displayed in 5×7 pixel matrix. 20×4 Character Liquid Crystal Display means it can display 20 characters per line and there are 4 such lines. You will need ~11 general I/O pins to interface to this LCD screen. Utilizes the extremely common HD44780 parallel interface chipset ( datasheet). This is a basic 20 character by 4 line display. 20X4 Character Liquid Crystal Display is very basic module and is very commonly used in various devices and circuits.
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