This part is a kind of semiconductor called A16450.
Function of this product has Universal Asynchronous Receiver/Transmitter.
Manufacturers : Altera Corporation
Image and pinout :
Some of the text within the PDF file :
a16450 ® Universal Asynchronous Receiver/Transmitter Data Sheet September 1996, ver. 1 Features s s s s s s s s s a16450 MegaCore function implementing a universal asynchronous receiver/transmitter (UART) Optimized for FLEX® and MAX® architectures Programmable word length, stop bits, and parity Full duplex operation Programmable baud rate generator Prioritized interrupt control Internal diagnostic/loopback capabilities Uses approximately 372 FLEX logic elements (LEs) Functionally based on the National Semiconductor Corporation NS16450 device, except as noted in “Variations & Clarifications” on page 79 General Description The a16450 MegaCore function implements a universal asynchronous receiver/transmitter (UART), which provides an interface between a microprocessor and a seri [ ... ]