不是很明白，LCD都是XMC外设IO啊。你说的是触摸屏的IO吧 。
This demo is based on the AT-START-F403A board, for LittlevGL GUI demo show.
Use the XMC firmware library and an associate driver to perform read/write operations on the LCD.
And use SPI3 drive touch screen,user can drow picture on the LCD.When used must be use the TFT LCD Touch Demo Board v1.x.
Attention: TFT_LCD_DEMO BOARD LCD ID is 0x9341 and the touchscreen is resistive touchscreen.
The pin to pin with LCD and XMC(16 bits):
GPIO PD3 LCD_RESET
GPIO PB0 LCD_BL
XMC_A16 PD11 LCD_RS
XMC_NE1 PD7 LCD_CS
XMC_NWE PD2 LCD_WR
XMC_NOE PC5 LCD_RD
XMC_D0 PB14 DATA[0]
XMC_D1 PC6 DATA[1]
XMC_D2 PC11 DATA[2]
XMC_D3 PC12 DATA[3]
XMC_D4 PA2 DATA[4]
XMC_D5 PA3 DATA[5]
XMC_D6 PA4 DATA[6]
XMC_D7 PA5 DATA[7]
XMC_D8 PE11 DATA[8]
XMC_D9 PE12 DATA[9]
XMC_D10 PE13 DATA[10]
XMC_D11 PE14 DATA[11]
XMC_D12 PE15 DATA[12]
XMC_D13 PB12 DATA[13]
XMC_D14 PD9 DATA[14]
XMC_D15 PD10 DATA[15]
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楼主
