As far as the uPs/uCs/Peripheral ICs type is concerned, this is a SERIAL IO/COMMUNICATION CONTROLLER, LAN. This microprocessor is a typical Serial IO/Communication Controllers. 32 pins are injected into the part body. As specified in datasheets, the embedded microprocessor requires 5 V power supplies. You can supply voltage 62 mA higher than 62 mA to the CPU. 5 serial I/Os are set to communicate datas between peripherals.
CY7C53120E4-40SI Features
CY7C53120E4-40SI Applications
There are a lot of Cypress Semiconductor CY7C53120E4-40SI Microprocessor applications.