Datasheet Summary
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SEPTEMBER 2002
2.25V TO 5.5V DUART WITH 64-BYTE FIFO
REV. 1.0.0
GENERAL DESCRIPTION
The XR16L27501 (2750) is a low voltage dual universal asynchronous receiver and transmitter (UART) with 5 Volt tolerant inputs. The device operates from 2.25 to 5.5 Volt supply range and is pin-to-pin patible to Exar’s ST16C2550 and XR16C2850 except the 48-TQFP package. The 2750 register set is patible to the ST16C2550 and the XR16C2850 enhanced Features
. It supports the Exar’s enhanced Features of 64 bytes of TX and RX FIFOs, programmable FIFO trigger level and FIFO level counters, automatic hardware (RTS/CTS) and software flow control, automatic RS-485 half duplex...