8-Bit MCU, 40MHz, 256B RAM, 32 I/O, 44-Pin PQCC
8-Bit MCU, 30MHz, 3.3V, 44-Pin PQCC
IC MCU 8BIT ROMLESS 44PLCC
80C51 32-Bit Microcontroller, 40MHz, 256B RAM, UART, USART, PLCC
8-bit 80C51 MCU, 40MHz, ROMless, 32 I/O, PDIP
80C32 8051 Core, 60MHz, 32 I/O, UART, USART, QFP, Surface Mount
