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XR19L400

MaxLinear
Part Number XR19L400
Manufacturer MaxLinear
Description SINGLE CHANNEL INTEGRATED UART AND RS-485 TRANSCEIVER
Published Sep 1, 2018
Detailed Description XR19L400 SINGLE CHANNEL INTEGRATED UART AND RS-485 TRANSCEIVER APRIL 2018 REV. 1.0.4 GENERAL DESCRIPTION The XR19L400...
Datasheet PDF File XR19L400 PDF File

XR19L400
XR19L400


Overview
XR19L400 SINGLE CHANNEL INTEGRATED UART AND RS-485 TRANSCEIVER APRIL 2018 REV.
1.
0.
4 GENERAL DESCRIPTION The XR19L400 (L400) is a highly integrated device that combines a full-featured single channel Universal Asynchronous Receiver and Transmitter (UART) and RS485 transceivers.
The L400 is designed to operate with a single 3.
3V or 5V power supply.
The L400 is fully compliant 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 mode, the internal crystal oscillator of the UART or charge pump of the RS-485 transceiver is turned off.
In Full Sleep mode, both the crystal oscillator and the charge pump are turned off.
While the UART is in the Sleep mode, the Power-Save mode isolates the core logic from the control signals (chip select, read/write strobes...


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