XR16C2550 Datasheet - Exar Corporation

XR16C2550 2.97V TO 5.5V DUART

The XR16C2550 (2550) is a dual universal asynchronous receiver and transmitter (UART). The XR16C2550 is an improved version of the PC16550 UART with higher operating speed and faster access times. The 2550 provides enhanced UART functions with 16 byte FIFO’s, a modem control interface, and data rate.

XR16C2550 Features

* may be tailored by external software to meet specific user requirements. Independent programmable baud rate generators are provided to select transmit and receive clock rates from 50 bps to 4 Mbps. The Baud Rate Generator can be configured for either crystal or external clock input. An internal loop

XR16C2550_ExarCorporation.pdf