BUY SM5813APT https://www.utsource.net/itm/p/1555585.html
EIGHT-TIMES OVERSAMPLING DIGITAL FILTER FOR DIGITAL AUDIO
Description: The SM5813APT is a 4-bit single-chip microcontroller with a built-in 8-bit CPU core. Features: 8-bit CPU core 4K bytes of ROM 256 bytes of RAM 8-bit timer/counter 8-bit A/D converter 8-bit PWM 8-bit serial I/O 4-bit I/O port Applications: The SM5813APT is suitable for a wide range of applications, including home appliances, office automation, industrial control, and automotive applications. It can be used in applications such as motor control, temperature control, and data acquisition. (For reference only)