GPIOs

This page describes the configuration of the GPIOs of the stock firmware.

GPIOA

Pin 0
	Mode: Input mode
Pin 1
	Mode: Alternate function mode
	AF: 9 (OCTOSPIM_P1_IO3)
Pin 2
	Mode: Input mode
Pin 3
	Mode: Analog mode
Pin 4
	Mode: Analog mode
Pin 5
	Mode: Analog mode
Pin 6
	Mode: Analog mode
Pin 7
	Mode: Alternate function mode
	AF: 14 (LCD_VSYNC)
Pin 8
	Mode: Alternate function mode
	AF: 14 (LCD_R6)
Pin 9
	Mode: Alternate function mode
	AF: 14 (LCD_R5) 
Pin 10
	Mode: Alternate function mode
	AF: 12 (LCD_B4)
Pin 11
	Mode: Alternate function mode
	AF: 14 (LCD_R4)
Pin 12
	Mode: Analog mode
Pin 13
	Mode: Alternate function mode
	AF: 0 (JTMS/SWDIO)
Pin 14
	Mode: Alternate function mode
	AF: 0 (JTCK/SWCLK)
Pin 15
	Mode: Alternate function mode
	AF: 0 (JTDI)

GPIOB

Pin 0
	Mode: Alternate function mode
	AF: 9 (LCD_R3)
Pin 1
	Mode: Alternate function mode
	AF: 11 (OCTOSPIM_P1_IO0)
Pin 2
	Mode: Alternate function mode
	AF: 9 (OCTOSPIM_P1_CLK)
Pin 3
	Mode: Analog mode
Pin 4
	Mode: Analog mode
Pin 5
	Mode: Alternate function mode
	AF: 11 (LCD_B5)
Pin 6
	Mode: Alternate function mode
	AF: 4 (I2C1_SCL)
Pin 7
	Mode: Alternate function mode
	AF: 4 (I2C1_SDA)
Pin 8
	Mode: Alternate function mode
	AF: 14 (LCD_B6)
Pin 9
	Mode: Analog mode
Pin 10
	Mode: Alternate function mode
	AF: 14 (LCD_G4)
Pin 11
	Mode: Alternate function mode
	AF: 14 (LCD_G5)
Pin 12
	Mode: General purpose output mode
Pin 13
	Mode: Alternate function mode
	AF: 5 (SPI2_SCK/I2S2_CK)
Pin 14
	Mode: Alternate function mode
	AF: 14 (LCD_CLK)
Pin 15
	Mode: Alternate function mode
	AF: 5 (SPI2_MOSI/I2S2_SDO)

GPIOC

Pin 0
	Mode: Alternate function mode
	AF: 11 (LCD_G2)
Pin 1
	Mode: Input mode
Pin 2
	Mode: Analog mode
Pin 3
	Mode: Analog mode
Pin 4
	Mode: Analog mode
Pin 5
	Mode: Input mode
Pin 6
	Mode: Alternate function mode
	AF: 14 (LCD_HSYNC)
Pin 7
	Mode: Alternate function mode
	AF: 14 (LCD_G6)
Pin 8
	Mode: Analog mode
Pin 9
	Mode: Alternate function mode
	AF: 10 (LCD_G3)
Pin 10
	Mode: Alternate function mode
	AF: 14 (LCD_R2)
Pin 11
	Mode: Analog mode
Pin 12
	Mode: Analog mode
Pin 13
	Mode: Input mode
Pin 14
	Mode: Analog mode
Pin 15
	Mode: Analog mode

GPIOD

Pin 0
	Mode: Input mode
Pin 1
	Mode: General purpose output mode
Pin 2
	Mode: Alternate function mode
	AF: 9 (LCD_B7)
Pin 3
	Mode: Alternate function mode
	AF: 14 (LCD_G7)
Pin 4
	Mode: General purpose output mode
Pin 5
	Mode: Input mode
Pin 6
	Mode: Alternate function mode
	AF: 14 (LCD_B2)
Pin 7
	Mode: Analog mode
Pin 8
	Mode: General purpose output mode
Pin 9
	Mode: Input mode
Pin 10
	Mode: Alternate function mode
	AF: 14 (LCD_B3)
Pin 11
	Mode: Input mode
Pin 12
	Mode: Alternate function mode
	AF: 9 (OCTOSPIM_P1_IO1)
Pin 13
	Mode: Analog mode
Pin 14
	Mode: Input mode
Pin 15
	Mode: Input mode

GPIOE

Pin 0
	Mode: Analog mode
Pin 1
	Mode: Analog mode
Pin 2
	Mode: Alternate function mode
	AF: 9 (OCTOSPIM_P1_IO2)
Pin 3
	Mode: General purpose output mode
Pin 4
	Mode: Alternate function mode
	AF: 6 (SAI1_FS_A)
Pin 5
	Mode: Alternate function mode
	AF: 6 (SAI1_SCK_A)
Pin 6
	Mode: Alternate function mode
	AF: 6 (SAI1_SD_A)
Pin 7
	Mode: Input mode
Pin 8
	Mode: General purpose output mode
Pin 9
	Mode: Analog mode
Pin 10
	Mode: Analog mode
Pin 11
	Mode: Alternate function mode
	AF: 11 (OCTOSPIM_P1_NCS)
Pin 12
	Mode: Analog mode
Pin 13
	Mode: Alternate function mode
	AF: 14 (LCD_DE)
Pin 14
	Mode: Analog mode
Pin 15
	Mode: Alternate function mode
	AF: 14 (LCD_R7)