BUY STRF6667B https://www.utsource.net/itm/p/421495.html
OFF-LINE QUASI-RESONANT FLYBACK SWITCHING REGULATORS
Description: The STRF6667B is a 3rd generation, 8-bit microcontroller unit (MCU) designed for a wide range of applications. It offers high performance, low power, and a wide range of on-chip peripherals. Features: Up to 12MIPS operation at 40MHz operation Up to 20KB RAM and 32KB program memory 8-bit 8051 core with 8-bit I/O port On-chip oscillator and watchdog timer 9-channel 12-bit A/D converter 5V tolerant I/O pins DMA controller USB 2.0 transceiver UART and SPI interface I2C and CAN controller Applications: The STRF6667B is ideal for a variety of applications, including consumer products, robotics, automotive, industrial applications, and factory automation. It can be used for embedded systems such as data loggers, motor control, sensor networks, and more. (For reference only)