BUY ST72C216G1M6 https://www.utsource.net/itm/p/907634.html
8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY. ADC. 16-BIT TIMERS. SPI.
Description: 8-bit Microcontroller with 8K ROM, 256 Bytes RAM, 10-bit A/D Converter, 2 Timers, UART, SPI, I2C Features: 8-bit core with 8K ROM, 256 bytes RAM 10-bit A/D converter 2 Timers UART, SPI, I2C Power-saving modes Low power consumption Operating voltage range from 2.4V to 5.5V Operating temperature range from -40°C to +85°C Application: Automotive Industrial Home Appliances Consumer Electronics Security Systems (For reference only)