The maximum color depth this TFT supports is 16 bit.
The SD-CARD is powered from the display VCC and has separate SPI pins.
Warning! The QVGA 2.2" TFT does not support 5V on either of its pins.
The TFT display pins:
SDO (MISO)
LED = 3.3V or in series with a 100 ohm resistor from 5V
SCK (CLOCK)
SDI (MOSI)
D/C (DATA/COMMAND)
RESET
CS (CHIPSELECT)
GND
VCC = 3.3V
The SD-CARD pins:
SD_CS (CHIPSELECT)
SD_MOSI (MOSI)
SD_MISO (MISO)
SD_SCK (CLOCK)
References: ILI9341 PDF manual, www.instructables.com
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