MCU_VARIANT = LPC55S69 MCU_CORE = LPC55S69_cm33_core0 PORT ?= 1 CFLAGS += -DCPU_LPC55S69JBD64_cm33_core0 JLINK_DEVICE = LPC55S69 PYOCD_TARGET = LPC55S69 # flash using pyocd flash: flash-pyocd