BUY D71054C https://www.utsource.net/itm/p/110691.html
MOS INTEGRATED CIRCUIT
Description: The D71054C is a medium-speed CMOS microcontroller from NEC designed for use in industrial applications. Features: 8-bit microcontroller with 32K byte of ROM Enhanced 8-bit CPU with up to 12 MHz clock frequency Up to 4K bytes of RAM Up to 32-bit timer/counter Built-in watchdog timer Up to 6 interrupt sources USART, A/D converter Supports serial bus (I2C) Applications: The D71054C can be used in a variety of industrial applications such as factory automation, medical equipment, temperature and humidity monitoring, and process control. (For reference only)