BUY HY4008W https://www.utsource.net/itm/p/11546437.html

Description: HY4008W is a high-performance 8-bit microcontroller designed by Holtek. It is based on the 8051 core architecture and has a maximum operating frequency of 40MHz. Features: 8051 compatible core architecture 40MHz maximum operating frequency Up to 16K bytes of program memory Up to 256 bytes of data memory Up to 32 I/O ports Up to 8 channels of 10-bit A/D converter Up to 2 channels of PWM output Up to 3 channels of UART Up to 2 channels of I2C Applications: Automotive Industrial control Home appliances Security systems Medical devices Robotics (For reference only)