BUY MM5453N https://www.utsource.net/itm/p/1739477.html
MM5452 - Liquid Crystal Display Drivers, Package: Mdip, Pin Nb=40
The MM5453N is a high performance, low power, monolithic 4-bit microprocessor designed for use in a wide variety of applications. It is a single chip solution that combines a 4-bit CPU, ROM, RAM, I/O ports, and timers on a single chip. The MM5453N is designed to be used in embedded systems, industrial control, and automotive applications. Features: 4-bit CPU with ROM, RAM, I/O ports, and timers Low power consumption On-chip clock generator On-chip oscillator On-chip programmable timer On-chip interrupt controller On-chip power-on reset On-chip watchdog timer On-chip power-on reset On-chip programmable I/O ports On-chip programmable timer On-chip interrupt controller On-chip watchdog timer Applications: Industrial control Automotive Embedded systems Robotics Home automation (For reference only)