E2E1037-19-41 ¡ Semiconductor MSM80C31F/MSM80C51.
OKI electronic componets
MSM80C51F - CMOS 8-Bit Microcontroller
E2E1037-19-41 ¡ Semiconductor MSM80C31F/MSM80C51F ¡ Semiconductor CMOS 8-Bit Microcontroller This version: Mar. 1995 MSM80C31F/80C51F GENERAL DESCR.