8-Bit MCU, 20MHz, 2KB FLASH, 20SOIC, SPI, UART
8-Bit 20MHz MCU, 2KB Flash, 256B RAM, 20DIP, SPI/UART
8-Bit 2KB FLASH MCU, 20MHz, 8051 Core, SPI/UART, 20TSSOP
8-Bit MCU, 20MHz, FLASH, 20-Pin DIP, Industrial
8-Bit 20MHz FLASH MCU, 20-Pin TSSOP
8-Bit FLASH MCU, 20MHz, 20-Pin PDSO, Industrial
