Microcontroller Interface with TFT LCD ( ILI9488 Driver IC )

[ravi1488]

Hello All,

Does anyone have command set for ILI9488 Driver IC . I have a 3.5" TFT LCD with ILI9488 Driver IC. I want to interface it using microcontroller with SPI Interface.

Thanks

 

[ud23]

http://en.lcdlcd.com/product3/2013-08-30/8456.chtml

you can have many drivers here to download

 

[ravi1488]

Thanks for the reply.
I have attached a characteristic of my TFT LCD. Please assist me that how to connect the back light supply ?

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LCD characterisitc

 

[ud23]

you have to user series resistor or pot to match up the Vf voltage if your supply is 5v.

I don't know your lcd pin diagram if its same like image i attached you can use that circuit

 

[ravi1488]

I have attached a Pin diagram of the TFT LCD

 

[ud23]

you can find the back light driver ic at the link which i post at earlier post and your pins out looks same to the link lcd i posted.
http://en.lcdlcd.com/res/starteklcden/pdres/201409/20140917194359443.pdf

 

[ravi1488]

Will attached circuit works properly?

 

[ud23]

I think its parallel connection so one resistor will do your work but your I(forward) requirement is low so it is advice able the use driver Ic.

 

[ravi1488]

Thanks a lot for the support. I will try that way.

 

[ravi1488]

The backlight driver IC RT9300B is not available at my place. Is there any replacement for that?
Will RT9300A ( 20mA ) will work?

 

[ud23]

yes rt9300a will work.

 

[ravi1488]

Hello,

In the above attached pin diagram. Where to connect CS , RD, RW and RS connection for 16-bit MCU Interface?

 

[ud23]

Hello,

In the above attached pin diagram.

which pin diagram?

 

[ravi1488]

I have attached a Pin diagram of the TFT LCDView attachment 112893

This pin diagram

 

[ud23]

you can connect them to any gpio of any port of your micro controller with the cs,reset pins .
and for serial there is sdo,sdi,scl pins for serial SPI communication protocol.

 

[ravi1488]

On microcontroller side it is clear, but where to connect on TFT side, because on above pin diagram, it doesnt show this pins

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On the Pin diagram of TFT LCD, it doesnt show that which specific pin is for CS, RD, RW

 

[FvM]

On the Pin diagram of TFT LCD, it doesnt show that which specific pin is for CS, RD, RW

Right. If the controller does support parallel processor interface (as a side remark in the diagram suggests) there should be another diagram.