8-Bit 20MHz MCU, 2KB EPROM, 128B RAM, I2C, UART, PDIP-20
8-bit 80C51 MCU, 20MHz, 2KB EPROM, I2C, UART, 5V, PDIP
MCU 8-bit 87LP 80C51 CISC 2KB EPROM 5V 20-Pin PDIP
