Maxim Microcontroller DIL-40

Pin- and software-compatible with 80C31 and 80C32. Increased speed due to a reduced number of clocks cycles per instruction. Additionally to the enhanced functions of the 8052, the DS80C320 offers:. Dual Data Pointer. 2 UARTs. 2fullduplex hardware serial interfaces. Power Monitor. Programmable watchdog timer. 13 Interrupts.