Highly Integrated 32-Bit RISC Microprocessor. The STP1020A is a new member of the SuperSPARC family of microprocessor products. Like its predecessors (STP1020N and STP1020) this new part is fully SPARC version 8 compliant and is completely upward compatible with the earlier SPARC version 7 implementations running over 8500 SPARC applications and development tools.