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 one at a time.

It is suggested to follow the order below, for connecting the module. Before connecting any cable make sure that the power is removed from Controller board.

1. Connect the Digital i/o module with Controller module by using the ribbon cable.
2. Connect LCD module with Digital i/o module (only one at a time)
3. If needed connect the JTAG programmer with Controller module.
4. Connect the power supply with Controller module.

Connecting the alphanumeric LCD

Connecting the graphical LCD