The HT67F4892 from Holtek is a low power 8-bit Microcontroller with a LQFP-48_7x7x0.5P RoHS package. This device features an 8051-based instruction adder,768B of OTP (One Time Programmable) ROM for program memory, 128B of SRAM for data storage, dual Timer Counters, PWM Channel, dual Timer Capture, UART, and QSPI interfaces. It also has four 8-bit ports, four 5-bit ports, two 4-bit ports, three 2-bit ports, and two 1-bit ports for peripheral control. Operating at 1.8 - 3.6V and using a 1-MHz internal system clock, the HT67F4892 is perfect for applications such as smart metering, LED lighting, home appliances, and industrial controllers.