8-bit MCU 80C51 CISC 33MHz 16KB EPROM 3.3V/5V LQFP
8-Bit MCU, 80C51, 33MHz, 64KB EPROM, 3.3V/5V, LQFP
8-bit 80C51 MCU, 33MHz, 32KB EPROM, 3.3V/5V, LQFP