The reference design of the elevator call box is based on the Kinetis ARM Cortex M0+ MCU KE06Z64VLD4. The KE06 is a 32-bit MCU of the Kinetis E series and it operates under 5V power supply with good EMC and ESD performance. It, supports up to 48MHz clock and integrates with a CAN bus. This reference design aims to help customers reduce their development costs and shorten the development cycle.。