The BF6971AS14 is a RoHS compliant surface-mounted Other Processors and Microcontrollers (MCUs) developed by BYD and comes in a SOP-20 package. It is equipped with features such as temperature range operating temperature of -40 °C to 85 °C, overvoltage protection, variable voltage output in the range of 0.9V to 5V, gated clocks and under-voltage lockout. This MCU offers 8KB RAM, 128KB ROM, and flexible peripheral interface and operates from 4.0V to 5.5V. It is suitable for a wide range of home appliances, industrial automation, and automotive applications.