Reset Reason: Support for determining the cause of the most recent MCU reset.
Flash IAP: Driver allowing In-Application Programming (IAP) of the MCU flash memory.
Serial (UART): Support for buffered and unbuffered serial (UART) ports
Memory Protection Unit: Mbed supports configuring the MPU on this device to disable writing to ROM and executing from RAM.
Low-Precision Ticker: Also known as the Low-Power Ticker, this peripheral keeps time at a low-frequency clock (usually 32kHz) and generates events for the application. Usually it is used to implement low power sleep.