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XR16L2550 from EXAR

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XR16L2550

Manufacturer: EXAR

LOW VOLTAGE DUART WITH 16-BYTE FIFO

Partnumber Manufacturer Quantity Availability
XR16L2550 EXAR 536 In Stock

Description and Introduction

LOW VOLTAGE DUART WITH 16-BYTE FIFO The XR16L2550 is a dual universal asynchronous receiver and transmitter (DUART) manufactured by EXAR Corporation.  

### **Specifications:**  
- **Interface:** UART (Universal Asynchronous Receiver/Transmitter)  
- **Number of Channels:** 2 (Dual UART)  
- **Data Rate:** Up to 3 Mbps  
- **Data Bits:** 5, 6, 7, or 8 bits  
- **Parity:** None, Even, Odd, Mark, or Space  
- **Stop Bits:** 1, 1.5, or 2 bits  
- **FIFO Depth:** 64 bytes per channel (Tx and Rx)  
- **Voltage Supply:** 3.3V or 5V operation  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package Options:** 48-pin LQFP (Low-profile Quad Flat Package)  

### **Descriptions & Features:**  
- **Dual Independent UART Channels:** Each channel operates independently with full-duplex communication.  
- **64-Byte FIFOs:** Reduces CPU overhead by buffering data.  
- **Programmable Baud Rate:** Supports flexible communication speeds.  
- **Hardware & Software Flow Control:** Includes RTS/CTS and XON/XOFF support.  
- **Auto RS-485 Half-Duplex Control:** Simplifies RS-485 network interfacing.  
- **Infrared (IR) Encoder/Decoder:** Supports IrDA 1.0 for wireless communication.  
- **Sleep Mode:** Low-power mode for energy efficiency.  
- **Industrial Temperature Range:** Suitable for harsh environments.  

This device is commonly used in industrial automation, networking, and embedded systems requiring reliable serial communication.  

(Source: EXAR XR16L2550 Datasheet)

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