Due to its QFN packaging, it is convenient to ship overseas. The type MICROCONTROLLER belongs to uPs/uCs/Peripheral ICs. Total terminations are 24. Using a 2.1V voltage supply, you should be able to operate the cpu microprocessor. 8-Bit is its architecture. The datasheets for 24 pins provide details. Supply current is maximum at 2.75V. A clock frequency of 50MHz is used by the CPU microprocessor. Data is transferred through 18 I/O ports by CPU programs.
C8051F554-AM Features
8-Bit Structure 18 I/Os
C8051F554-AM Applications
There are a lot of Silicon Labs C8051F554-AM Microprocessor applications.