8-bit MCU, 80C51 Core, 16KB OTP/EPROM, 512B RAM, 16MHz, I2C, UART, PLCC
8-Bit 80C51 Microcontroller, 8KB OTP EPROM, 16MHz, LCC-18
8-bit MCU 80C51 CISC 16KB EPROM 16MHz PLCC
8-bit 80C51 MCU, 16KB OTP, 512B RAM, 16MHz, PLCC
P87C552 - 80C51 8-bit microcontroller LCC 68-Pin