BUY ST16C554CQ https://www.utsource.net/itm/p/354318.html
QUAD UART WITH 16-BYTE FIFOS
Description: The ST16C554CQ is a quad universal asynchronous receiver/transmitter (UART) with 64-pin QFP package from Exar Corporation. It is designed to provide a cost-effective solution for serial communications applications. Features: Four independent UARTs 16-byte FIFOs for each UART Programmable baud rate generator Programmable word length Programmable parity Programmable stop bits Programmable flow control Programmable data format Programmable interrupts Programmable modem control Programmable loopback Programmable FIFO control Programmable break control Applications: The ST16C554CQ is suitable for a wide range of applications, including: Industrial automation Automotive Networking Point-of-sale terminals Medical equipment Data acquisition systems Printer and scanner interfaces Modems Embedded systems (For reference only)