Peripheral Allocation

GMAC: Ethernet
- PHY Management: MDC (PA20), MDIO (PA21)
- RXD: 0 (PA12), 1 (PA13)
- RX Error: PA15
- RX CRS/DV: PA16
- TXEN: PA17
- TXD: 0 (PA18), 1 (PA19)
SERCOM0: I2C, front panel/on-board serial
- IOSET1
- PA8 (SDA, PAD0), PA9 (SCL, PAD1)
SERCOM2: UART, Debug console
- IOSET3
- PA10 (TXD), PA11 (RXD)
SERCOM3: I2C, driver board
- IOSET1
- PA22 (SDA, PAD0), PA23 (SCL, PAD1)
SERCOM4: SPI, front panel display
- IOSET1
- DIPO = 0x0
- DOPO = 0x2
- PB12 (MISO, PAD0), PB13 (SCK, PAD1), PB14 (/CS, PAD2), PB15 (MOSI, PAD3)
SERCOM5: SPI, NOR flash (bonus data)
- IOSET6
- DIPO = 0x3
- DOPO = 0x0
- PB2 (MOSI, PAD0), PB3 (SCK, PAD1), PB0 (/CS, PAD2), PB1 (MISO, PAD3)
TC5: Beeper
- PB10: WO[0]
EIC: External interrupt controller
- PB31: Power button
  - EXTINT15
- PB16: /ETH_IRQ
  - EXTINT0
- PB11: /DRIVER_TRIGGER
  - EXTINT11
- PB09: /DRIVER_IRQ
  - EXTINT9
- PB08: ENCODER_B
  - EXTINT8
- PB07: ENCODER_A
  - EXTINT7
- ~~PA07:~~PA10: /IO_I2C_IRQ
  - ~~EXTINT7~~
  - ~~TODO: We should move this signal to PA10~~EXTINT10
- PA02: /MODE debug button
  - EXTINT2
XOSC1: 12MHz oscillator
- XIN (PB22), XOUT (PB23)
XOSC32K: 32kHz RTC oscillator
- XIN32 (PA0), XOUT32 (PA1)
Debug
- SWCLK (PA30), SWDIO (PA31), SWO (PB30)