553 LCD_controller
553 : LCD_controller
- Author: Andres
- Description: Controls a lCD display 16x2 in order to show a funny message
- GitHub repository
- Open in 3D viewer
- Clock: 50000000 Hz
How it works
This proyect is a LCD 16x2 display controller, it has some hardcoded message, when you wire the pins to the screen for the 4 bits data mode (all the pins have the same name that the display does), it should be ready and display a funny message on the screen
How to test
Connect the clock to a 50MHz source, the reset is active in one, wire the rest of the pins to the lcd screen (they have the same names and are detailed at the end of this part) and hold the reset a bit and then let it go, and the screen should display a funny message
Outputs uo[0]: "rs" register select uo[1]: "en" enable uo[2]: "data_0" uo[3]: "data_1" uo[4]: "data_2" uo[5]: "data_3"
Inputs ui[0]: "clk" 50 MHz clock ui[1]: "reset"
External hardware
It needs a 16x2 LCD Display (HD44780)
IO
| # | Input | Output | Bidirectional |
|---|---|---|---|
| 0 | clk | rs | |
| 1 | reset | en | |
| 2 | data_0 | ||
| 3 | data_1 | ||
| 4 | data_2 | ||
| 5 | data_3 | ||
| 6 | |||
| 7 |