www.
DataSheet4U.
com xr JANUARY 2005 XR16C2550 2.
97V TO 5.
5V DUART WITH 16-BYTE FIFO REV.
1.
0.
1 GENERAL DESCRIPTION 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 rates up to 4 Mbps.
Onboard status registers provide the user with error indications and operational status.
System interrupts and modem control features may be tailored by external software to meet specific user requirements.
Independent programmable baud rate generators are provided ...

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