You should buy Display + Adapter Shield and then it will plug directly into your Mega or Due.Yes, you could buy the bare screen with the bare flexi-ribbon.You would have to design your own pcb for the 50-pin ZIF connector for the ribbon.The pcb would need 21 level-shifter channels for parallel or about 6 level-shifters for serialbecause your Mega2560 is 5V and the screen is 3.3VBuyDisplay provide schematics for their Adapter Shields.And general advice on interfacing displays.I strongly advise you to buy their Adapter Shield. From memory, the Adapter arrives with support for Serial.If you want to use Parallel, you must mount the level-shifter chips and associated capacitors.David.
The PDF shows you JP3 (3x2 ISP header) on the Arduino for LCD_SCLK, LCD_SDI, LCD_SDO. And JP4 has IO7, IO9 for LCD_DC, LCD_CS.Most importantly, you can see how U3 (74LV245) is wired. There are alternatives e.g. 74VHC245.Are you confident to design your own pcb?Are you prepared to pay the cost of your own pcb?If you intend to manufacture 1000s of products, I suggest that you ask for some professional help with the pcb design.If you only have one or two displays, just buy the ready-made Shields.Oh, the PDF seems to show JP1 as a 20x2 header. Does your display really have a 50-way ribbon? Or is it a 40-way ribbon?David.
You bought it. You can find the pinout of your 50-way ribbon. I will tell you what the Signal Names mean.David.
From the ER-TFT035-6 PDF:7 = IM0 (hi) i.e. IM# = 0b111 for 4-line SPI interface8 = IM1 (hi)9 = IM2 (hi)33 = SDO (MISO)34 = SDA (MOSI)36 = SCL (SCK)37 = DCX (DC)38 = CSX (CS)Seriously, if you are not able to find these things for yourself, it is unwise (tm) to attempt anything so complex. Ask your teacher or employer for help.You would inspire more confidence if you said which chip you will use for level-shifting.David.
I would be a lot happier if you included level-shifters. And a pullup for the Reset line. (with Reset being under program control via a level-shifter)You have given NO indication that you will provide level-shifters. So I will give no further advice. David.
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