uPs/uCs/Peripheral ICs are a MICROPROCESSOR, RISC. To date, there have been 478 terminations. You should be able to turn on and run the embedded microprocessor with a voltage supply of 1.5V. An architecture based on 32 bits is used. The embedded microprocessor is a typical Microprocessors. According to the datasheet, the embedded microprocessor requires 1.5V power supply.
RK80532PG080512 Features
32-Bit Structure
RK80532PG080512 Applications
There are a lot of Intel RK80532PG080512 Microprocessor applications.