The PIC16LF1554-I/ML is a low-power Flash microcontroller from Microchip Technology Inc. It is a member of the 28-pin PIC16 family of 8-bit microcontrollers. The PIC16LF1554-I/ML features an 8-bit CPU with 1Kbyte of Flash program memory and 64 bytes of RAM. The device also contains an 8-level Stack, an 8-level deep hardware Watch Dog Timer, multiple Timers/Counters, an Analog-to-Digital Converter (A/D), internal oscillator, and options for external oscillator, clock out, and a Power-on Reset (POR) circuit. With a maximum clock frequency of 20 MHz, it is well suited for a variety of low power, low cost applications including automotive, access control, security and home and building automation.