XR19L402 -Two Channel Integrated UART And RS-485 Transceiver

The XR19L402 (L402) is a highly integrated device that combines a full-featured two channel Universal Asynchronous Receiver and Transmitter (UART) and RS- 485 transceivers. The L402 is designed to operate with a single 3.3V or 5V power supply. The L402 is fully compliant with RS-485 Standards. The L402 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 L402 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, address and data bus lines) to minimize the power consumption. The RS-485 receivers remain active in any of these four modes. By Exar Corporation
XR19L402 's PackagesXR19L402 's pdf datasheet
XR19L402IL48 QFN

XR19L402 Pinout, Pinouts
XR19L402 pinout,Pin out
This is one package pinout of XR19L402,If you need more pinouts please download XR19L402's pdf datasheet.

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