8-bit 18MHz MCU, 8KB FLASH, 256B RAM, I2C, SPI, UART, TSSOP
8-bit MCU, 80C51 Core, 18MHz, 8KB Flash, 26 I/O, TSSOP
8-bit MCU 80C51 CISC 8KB Flash 18MHz I2C SPI UART 28-Pin TSSOP
80C51 8-Bit Microcontroller 16KB FLASH 18MHz 3.6V 85°C TSSOP
IC 80C51 MCU 8KB FLASH 20TSSOP
