2.1GHz Hz is the frequency at which the CPU operates. To learn about the functions of the pins 638 please refer to their datasheets. There are many applications that use the CPU with Surface Mount, Through Hole mounted. CPU frequency will reach 2.1GHz at the top.
TMDTL62HAX5DME Features
TMDTL62HAX5DME Applications
There are a lot of AMD TMDTL62HAX5DME Microprocessor applications.