3.2.6.3 PIOC Bank

The PIOC bank is mainly used for the UART and TWI interfaces, over power rail VDDIN33.

The following schematic shows the PIOC bank distribution.

Figure 3-17. SAMA7G5 PIOC Bank Distribution

The following table describes each PIOC bank function.

Table 3-7. SAMA7G5 PIOs Pin Assignment and Signal Description
PIOPower RailFunctionSignal Description
PC0VDDSDMMC1SDMMC1_DAT1SD Card data line 1
PC1VDDSDMMC1SDMMC1_DAT2SD Card data line 2
PC2VDDSDMMC1SDMMC1_DAT3SD Card data line 3
PC3VDDIN33SDMMC1_WPSD Card connector write protect signal
PC4VDDIN33SDMMC1_CDSD Card card detect
PC5VDDIN33SDMMC1_1V8SELSD Card signal voltage selection
PC6VDDIN33PC6Power enable USB host port C
PC7VDDIN33PC7USB over-current interrupt port A
PC8VDDIN33PC8Power measurement interrupt
PC9VDDIN33FLEXCOM1_IO0TWI data line for MCP16502, PAC1934 devices
PC10VDDIN33FLEXCOM1_IO1TWI clock line for MCP16502, PAC1934 devices
PC11VDDIN33PC11Power enable USB host port B
PC12VDDIN33PC12USB over-current interrupt port B
PC13VDDIN33FLEXCOM8_IO1TWI clock line for ECC608, RPi CSI camera, EEPROM1 or EEPROM2 devices
PC14VDDIN33FLEXCOM8_IO0TWI data line for ECC608, RPi CSI camera, EEPROM1 or EEPROM2 devices
PC15VDDIN33PC15Standby control CAN 0
PC16VDDIN33PC16Standby control CAN 1
PC17VDDIN33PC17USB over-current interrupt port C
PC18VDDIN33FLEXCOM9_IO0TWI data line for mikroBUS 1, mikroBUS 2 or RPi connector devices
PC19VDDIN33FLEXCOM9_IO1TWI clock line for mikroBUS 1, mikroBUS 2 or RPi connector devices
PC20VDDIN33PC20mikroBUS 2 interrupt
PC21VDDIN33PC21mikroBUS 1 interrupt
PC22VDDIN33PC22USB over-current interrupt port B
PC23VDDIN33FLEXCOM7_IO0mikroBUS 2 UART TX line
PC24VDDIN33FLEXCOM7_IO1mikroBUS 2 UART RX line
PC25VDDIN33NTRSTJTAG - Test reset signal
PC26VDDIN33TCK_SWCLKJTAG - Test clock/serial wire clock
PC27VDDIN33TMS_SWDIOJTAG - Test mode select/serial wire input/output
PC28VDDIN33TDIJTAG - Test data in
PC29VDDIN33TDOJTAG - Test data out
PC30VDDIN33FLEXCOM10_IO0RPi connector UART TX line
PC31VDDIN33FLEXCOM10_IO1RPi connector UART RX line