BUY R65C51P1 https://www.utsource.net/itm/p/258802.html
RY Series - Econoline Regulated DC-DC Converters; Input Voltage Vdc: 12V; Output Voltage Vdc: 09V; Power: 1W; On/Off Pin; 1kVDC Isolation; UL94V-0 Package Material; Optional Continuous Short Circuit Protected; Internal linear regulator; Efficiency to 70%
R65C51P1 is a single-chip 8-bit microcontroller manufactured by Rockwell. It is based on the 8051 architecture and is designed for use in embedded systems. Description: The R65C51P1 is an 8-bit microcontroller with a maximum clock speed of 24 MHz. It has 64KB of ROM, 4KB of RAM, and 8 I/O ports. It also has an on-chip UART, SPI, and I2C interfaces. Features: 8-bit microcontroller based on 8051 architecture Maximum clock speed of 24 MHz 64KB of ROM 4KB of RAM 8 I/O ports On-chip UART, SPI, and I2C interfaces Applications: The R65C51P1 is suitable for use in embedded systems, such as industrial automation, consumer electronics, and automotive applications. It can also be used in medical devices, security systems, and other applications that require a low-power, low-cost microcontroller. (For reference only)