1CONFIG_UART_INTERRUPT_DRIVEN=y 2CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC=48000000 3CONFIG_GPIO=y 4CONFIG_BUILD_OUTPUT_HEX=y 5# Since the board has little memory (32k), stack sizes are lowered 6# so that the application has more RAM for itself. 7CONFIG_MAIN_STACK_SIZE=512 8CONFIG_ISR_STACK_SIZE=768 9CONFIG_CONSOLE=y 10CONFIG_UART_CONSOLE=y 11CONFIG_SERIAL=y 12CONFIG_CLOCK_CONTROL_LPC11U6X_ENABLE_SRAM1=y 13CONFIG_CLOCK_CONTROL_LPC11U6X_ENABLE_USB_RAM=y 14CONFIG_CLOCK_CONTROL_LPC11U6X_PLL_SRC_SYSOSC=y 15