3.2.6.5 PIOE Bank

The PIOE bank is mainly used for the WILC3000 radio module over power rail VDDIOP1.

The following schematic shows the PIOE bank and PIOBUx distributions.

Figure 3-19. SAMA7G5 PIOE Bank Distribution

The following table describes each PIOE bank function.

Table 3-9. SAMA7G5 PIOs Pin Assignment and Signal Description
PIOPower RailFunctionSignal Description
PE0VDDIOP1PE0ATWILC3000 enable control signal
PE1VDDIOP1PE1RPi connector SPI chip enable 2 or RPi CSI camera GPIO
PE2VDDIOP1PWML0/PE2RPi connector PWM signal or RPi CSI camera GPIO
PE3VDDIOP1FLEXCOM0_IO0RPi connector SPI MOSI line or WILC3000 USART RX line
PE4VDDIOP1FLEXCOM0_IO1RPi connector SPI MISO line or WILC3000 USART TX line
PE5VDDIOP1FLEXCOM0_IO2RPi connector SPI clock line
PE6VDDIOP1FLEXCOM0_IO3RPi connector SPI chip enable 0 or WILC3000 USART RTS line
PE7VDDIOP1FLEXCOM0_IO4RPi connector SPI chip enable 1 or WILC3000 USART CTS line
PIOBU0VDDBUPIOBU0Tamper 0 - Tamper connector
PIOBU1VDDBUPIOBU1Tamper 1 - Tamper connector
PIOBU2VDDBUPIOBU2Tamper 2 - Tamper connector
PIOBU3VDDBUPIOBU3Tamper 3 - Tamper connector