16MHz 8051 Core, 256B ROMless, 32 I/O, 3 Timer, QFP Package
16MHz 8051 Core ROMless 32-Bit Microcontroller, 256B RAM, 5V, PLCC
IC MPU 8BIT 5V 16MHZ 40DIP
80C321SF88 16MHz 8051 Core QFP 32I/O 256B ROMless IC
