3.2.6.6.4 Shared GPIO Resources
The SAMA7G54-EK embeds several GPIOs shared between two devices/interfaces.
The schematic below describes the sharing information.
| PIO | MPU Net Name | Device Net Name | Function |
|---|---|---|---|
| PA13 | PA13 | LED_GREEN_PA13 | Green LED control in PWM mode |
| MIKROBUS1_PWM_PA13 | mikroBUS 1 PWM control | ||
| PB8 | PB8 | LED_RED_PB8 | Red LED control in GPIO mode |
| EXT40_GPIO_PB8 | RPi 40-pin connector GPIO | ||
| PD20 | PD20 | LED_BLUE_PD20 | Blue LED control in PWM mode |
| MIKROBUS2_PWM_PD20 | mikroBUS 2 PWM control | ||
| PD21 | PD21 | ETH1_TXEN_PD21 | Ethernet 10/100 transmit enable |
| EXT40_GPIO_PD21 | RPi 40-pin connector GPIO | ||
| PD25 | PD25 | ETH1_RX0_PD25 | Ethernet 10/100 receive data line 0 |
| EXT40_GPIO_PD25 | RPi 40-pin connector GPIO | ||
| PD26 | PD26 | ETH1_RX1_PD26 | Ethernet 10/100 receive data line 1 |
| EXT40_GPIO_PD26 | RPi 40-pin connector GPIO | ||
| PD27 | PD27 | ETH1_RXER_PD27 | Ethernet 10/100 receive error |
| EXT40_GPIO_PD27 | RPi 40-pin connector GPIO | ||
| PD28 | PD28 | ETH1_MDC_PD28 | Ethernet 10/100 management data clock |
| EXT40_PWM1_PD28 | RPi 40-pin connector GPIO | ||
| PD29 | PD29 | ETH1_MDIO_PD29 | Ethernet 10/100 management data input/output |
| EXT40_GPIO_PD29 | RPi 40-pin connector GPIO | ||
| PD30 | PD30 | ETH1_TXCK_PD30 | Ethernet 10/100 transmit clock or 50 MHz reference clock |
| EXT40_GPIO_PD30 | RPi 40-pin connector GPIO | ||
| PE1 | PE1 | EXT40_SPI1_CE2_PE1 | RPi 40-pin connector SPI chip enable 2 |
| CAM_GPIO0_PE1 | RPi CSI camera GPIO | ||
| PE2 | PE2 | EXT40_PWM0_PE2 | RPi 40-pin connector PWM signal in PWM mode |
| CAM_GPIO1_PE2 | RPi CSI camera GPIO |