LD_FILE = boards/samd21x18-bootloader-external-flash-crystalless.ld
USB_VID = 0x239A
USB_PID = 0x8012
USB_PRODUCT = "Itsy Bitsy M0 Express"
USB_MANUFACTURER = "Adafruit Industries LLC"

SPI_FLASH_FILESYSTEM = 1

CHIP_VARIANT = SAMD21G18A
CHIP_FAMILY = samd21

MPY_TOOL_LONGINT_IMPL = -mlongint-impl=mpz