The V850E2/Px4-L is equipped with two V850E2M CPUs in lockstep operation.One serves as the master CPU for normal operation, the other monitors the functions of the master CPU.With just 384 KB Flash and 100-pin QFP, the V850E2/PG4-L is the ideal device for applications where the high performance of the V850E2/PJ4 is not required.