The MSMLJ51AE3 is part of Microchip's MELPS family of 8-bit microcontrollers. It is an 8-bit, 8-channel pulse-width modulation (PWM) controller with an enhanced scale (ESC) output that can be used to control motor speed settings. The controller is designed to run in an industrial environment and operates with a wide range of motor and motor driver applications. The controller features overvoltage, overcurrent, and overtemperature protection as well as six predefined safety modes. The MSMLJ51AE3 has an internal oscillator and a selectable clock source, allowing the user to choose between an internal clock, external clock source, or both sources for operation.