<page_title> Universal asynchronous receiver-transmitter </page_title> <section_title> UART models </section_title> <table> <cell> 16550A <col_header> Model </col_header> </cell> <cell> This UART has 16-byte FIFO buffers. Its receive interrupt trigger levels can be set to 1, 4, 8, or 14 characters. <col_header> Description </col_header> </cell> </table>
The 16550 has a 16-byte FIFO.