BUY M80C154S https://www.utsource.net/itm/p/129209.html
CMOS 8-bit Microcontroller
The M80C154S is an 8-bit microcontroller manufactured by OKI. It is a low-cost, low-power device designed for embedded applications. It features an 8-bit CPU, 4K bytes of ROM, 256 bytes of RAM, and a variety of I/O ports. The device is packaged in a 44-pin PLCC package. The M80C154S is suitable for applications such as motor control, home appliances, industrial automation, and medical equipment. It features an 8-bit CPU with a 16-bit address bus and an 8-bit data bus. It has four 8-bit I/O ports, two 16-bit timer/counters, a serial port, and an 8-bit A/D converter. The device also has an interrupt controller with four interrupt sources. The device is powered by a single 5V supply. (For reference only)