Datasheet Summary
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APRIL 2007
PRELIMINARY
REV. P1.0.0
SINGLE CHANNEL INTEGRATED UART AND RS-485 TRANSCEIVER
GENERAL DESCRIPTION
The XR19L400 (L400) is a highly integrated device that bines a full-featured single channel Universal Asynchronous Receiver and Transmitter (UART) and RS485 transceivers. The L400 is designed to operate with a 3.3V to 5V power supply. The L400 is fully pliant with RS-485 Standards. The L400 operates in four different modes: Active, Partial Sleep, Full Sleep and Power-Save. Each mode can be invoked via hardware or software. Upon power-up, the L400 is in the Active mode where the UART and RS-485 transceiver function normally. In the Partial Sleep...
