OKY3240 is a part of OKYSTAR, a manufacturer of automotive electronic components. It is a low-cost, high-performance, field-programmable ECU (electronic control unit) that allows users to design, develop, and customize vehicle control functions. It is mainly used for fuel injection systems, automatic transmission systems, and other vehicle control applications. It is a 32-bit processor with three separate CPUs, allowing for parallel and distributed control. It also features on-chip memory, integrated I/O, and diagnostic functions.