NY8A053E is an EPROM based 8-bit MCU tailored for I/O based applications like remote controllers, fan/light controller, game controllers, toy and various controllers.NY8A053E adopts advanced CMOS technology to provide customers remarkable solution with low cost and high performance. RISC architecture is applied to NY8A053E and it provides 55 instructions. All instructions are executed in single instruction cycle except program branch and skip instructions which will take two instruction cycles. Therefore, NY8A053E is very suitable for those applications that are sophisticated but compact program size is required.