Package: SOP-8Manufacturer: STDescription: The 4256BWP is a high-performance, low-power 8-bit microcontroller from STMicroelectronics. It is based on the 8051 core and features an on-chip oscillator, a programmable timer, an interrupt controller, and an 8-bit data bus.Features:- 8051 core architecture- On-chip oscillator- Programmable timer- Interrupt controller- 8-bit data bus- Low power consumption- High performanceApplications:- Automotive- Industrial- Consumer- Medical- Robotics(For reference only)
https://www.utsource.net/itm/p/900153.html