www.
DataSheet4U.
com JUNE 2006 PRELIMINARY XR16V2652 REV.
P1.
0.
0 HIGH PERFORMANCE DUART WITH 32-BYTE FIFO GENERAL DESCRIPTION The XR16V26521 (V2652) is a high performance dual universal asynchronous receiver and transmitter (UART) with 32 byte TX and RX FIFOs.
The device operates from 2.
25 to 3.
6 volts with 5 Volt tolerant inputs and is pin-to-pin compatible to Exar’s ST16C2552, XR16L2552, XR16V2552 and XR16L2752.
The V2652 register set is compatible to the ST16C2552 and the XR16V2552.
It supports the Exar’s enhanced features of selectable FIFO trigger level, automatic hardware (RTS/CTS) and software flow control and a complete modem interface.
Onboard registers provide the user with oper...

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