16MHz 8051 Core ROMless 32-Bit Microcontroller, 256B RAM, 5V, PLCC
IC MPU 8BIT 5V 16MHZ 44-PLCC
IC MPU 8BIT 5V 16MHZ 40DIP
IC MPU 8-BIT 5V 16MHZ EXT 44PLCC
16MHz 8051 Core, 256B ROMless, 32 I/O, 3 Timer, QFP Package