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//go:build arduino_nano33
// This contains the pin mappings for the Arduino Nano33 IoT board.
//
// For more information, see: https://store.arduino.cc/nano-33-iot
package machine
// used to reset into bootloader
const resetMagicValue = 0x07738135
// GPIO Pins
const (
RX0 Pin = PB23 // UART2 RX
TX1 Pin = PB22 // UART2 TX
D2 Pin = PB10 // PWM available
D3 Pin = PB11 // PWM available
D4 Pin = PA07
D5 Pin = PA05 // PWM available
D6 Pin = PA04 // PWM available
D7 Pin = PA06
D8 Pin = PA18
D9 Pin = PA20 // PWM available
D10 Pin = PA21 // PWM available
D11 Pin = PA16 // PWM available
D12 Pin = PA19 // PWM available
D13 Pin = PA17
)
// Analog pins
const (
A0 Pin = PA02 // ADC/AIN[0]
A1 Pin = PB02 // ADC/AIN[10]
A2 Pin = PA11 // ADC/AIN[19]
A3 Pin = PA10 // ADC/AIN[18],
A4 Pin = PB08 // ADC/AIN[2], SCL: SERCOM2/PAD[1]
A5 Pin = PB09 // ADC/AIN[3], SDA: SERCOM2/PAD[1]
A6 Pin = PA09 // ADC/AIN[17]
A7 Pin = PB03 // ADC/AIN[11]
)
const (
LED = D13
)
// USBCDC pins
const (
USBCDC_DM_PIN Pin = PA24
USBCDC_DP_PIN Pin = PA25
)
// UART1 pins
const (
UART_TX_PIN Pin = PA22
UART_RX_PIN Pin = PA23
)
// UART1 on the Arduino Nano 33 connects to the onboard NINA-W102 WiFi chip.
var UART1 = &sercomUSART3
// UART2 on the Arduino Nano 33 connects to the normal TX/RX pins.
var UART2 = &sercomUSART5
// UART_NINA on the Arduino Nano 33 connects to the NINA HCI.
var UART_NINA = &sercomUSART2
// I2C pins
const (
SDA_PIN Pin = A4 // SDA: SERCOM4/PAD[1]
SCL_PIN Pin = A5 // SCL: SERCOM4/PAD[1]
)
// I2C on the Arduino Nano 33.
var (
I2C0 = sercomI2CM4
)
// SPI pins
const (
SPI0_SCK_PIN Pin = D13 // SCK: SERCOM1/PAD[1]
SPI0_SDO_PIN Pin = D11 // SDO: SERCOM1/PAD[0]
SPI0_SDI_PIN Pin = D12 // SDI: SERCOM1/PAD[3]
)
// SPI on the Arduino Nano 33.
var SPI0 = sercomSPIM1
// SPI1 is connected to the NINA-W102 chip on the Arduino Nano 33.
var (
SPI1 = sercomSPIM2
NINA_SPI = SPI1
)
// NINA-W102 Pins
const (
NINA_SDO Pin = PA12
NINA_SDI Pin = PA13
NINA_CS Pin = PA14
NINA_SCK Pin = PA15
NINA_GPIO0 Pin = PA27
NINA_RESETN Pin = PA08
NINA_ACK Pin = PA28
NINA_TX Pin = PA12
NINA_RX Pin = PA13
NINA_RTS Pin = PA14
NINA_CTS Pin = PA15
)
// NINA-W102 settings
const (
NINA_BAUDRATE = 912600
NINA_RESET_INVERTED = true
NINA_SOFT_FLOWCONTROL = false
)
// I2S pins
const (
I2S_SCK_PIN Pin = PA10
I2S_SDO_PIN Pin = PA08
I2S_SDI_PIN = NoPin
I2S_WS_PIN = NoPin // TODO: figure out what this is on Arduino Nano 33.
)
// USB CDC identifiers
const (
usb_STRING_PRODUCT = "Arduino NANO 33 IoT"
usb_STRING_MANUFACTURER = "Arduino"
)
var (
usb_VID uint16 = 0x2341
usb_PID uint16 = 0x8057
)
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