Datasheet Summary
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JUNE 2006
PRELIMINARY
REV. P1.0.0
HIGH PERFORMANCE DUART WITH 16-BYTE FIFO
GENERAL DESCRIPTION
The XR16V25521 (V2552) is a high performance dual universal asynchronous receiver and transmitter (UART) with 16 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 patible to Exar’s ST16C2552 and XR16L2552. The V2552 register set is patible to the ST16C2552 and the XR16L2552. It supports the Exar’s enhanced Features of selectable FIFO trigger level, automatic hardware (RTS/CTS) and software (Xon/Xoff) flow control, and a plete modem interface. Onboard registers provide the user with operational...