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XR17D158CV from EXAR

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XR17D158CV

Manufacturer: EXAR

UNIVERSAL (3.3V AND 5V) PCI BUS OCTAL UART

Partnumber Manufacturer Quantity Availability
XR17D158CV EXAR 62 In Stock

Description and Introduction

UNIVERSAL (3.3V AND 5V) PCI BUS OCTAL UART The XR17D158CV is a dual-channel UART (Universal Asynchronous Receiver/Transmitter) manufactured by EXAR Corporation. Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Interface:** Dual-channel UART  
- **Data Rate:** Up to 3 Mbps per channel  
- **Voltage Supply:** 3.3V or 5V operation  
- **FIFO Buffers:** 64-byte transmit and receive FIFOs per channel  
- **Package:** 48-pin LQFP (Low-Profile Quad Flat Package)  
- **Operating Temperature:** -40°C to +85°C  
- **Protocol Support:** RS-232, RS-485, RS-422 (software-selectable)  

### **Descriptions:**  
The XR17D158CV is a high-performance dual UART designed for applications requiring reliable serial communication. It supports multiple serial protocols and features enhanced FIFO buffers to reduce CPU overhead.  

### **Features:**  
- **Auto RTS/CTS Hardware Flow Control**  
- **Programmable Baud Rate Generator**  
- **Infrared (IrDA) Encoder/Decoder Support**  
- **Software-Selectable Transmit and Receive FIFO Trigger Levels**  
- **Low Power Consumption**  
- **Industrial Temperature Range Support**  

For detailed electrical characteristics and register descriptions, refer to the official EXAR datasheet.

Partnumber Manufacturer Quantity Availability
XR17D158CV XR 400 In Stock

Description and Introduction

UNIVERSAL (3.3V AND 5V) PCI BUS OCTAL UART The **XR17D158CV** is a **dual UART (Universal Asynchronous Receiver/Transmitter)** IC manufactured by **Exar Corporation (now part of MaxLinear)**.  

### **Key Specifications:**  
- **Interface:** Dual UART (2 channels)  
- **Data Rate:** Up to **3 Mbps** per channel  
- **FIFO Buffers:** **128-byte** transmit and receive FIFOs per channel  
- **Voltage Supply:** **3.3V** operation  
- **Package:** **48-pin LQFP** (Low-profile Quad Flat Package)  
- **Operating Temperature:** **-40°C to +85°C**  
- **Protocol Support:** RS-232, RS-485, RS-422 (with external transceivers)  
- **Flow Control:** Hardware (RTS/CTS) and software (XON/XOFF)  

### **Features:**  
- **Auto RTS/CTS Flow Control**  
- **Programmable Baud Rate Generator**  
- **Infrared (IrDA) Encoder/Decoder Support** (1.0 and 1.1 compliant)  
- **Sleep Mode** for power savings  
- **Software/Hardware Reset Capability**  
- **Industrial-Grade Reliability**  

### **Applications:**  
- Industrial automation  
- Networking equipment  
- Point-of-sale (POS) systems  
- Embedded systems requiring serial communication  

This UART is designed for high-performance serial communication with low power consumption.

Partnumber Manufacturer Quantity Availability
XR17D158CV XRT 1393 In Stock

Description and Introduction

UNIVERSAL (3.3V AND 5V) PCI BUS OCTAL UART The part **XR17D158CV** is a **dual UART (Universal Asynchronous Receiver/Transmitter)** manufactured by **Exar Corporation (XRT)**. Below are its key specifications, descriptions, and features:  

### **Specifications:**  
- **Number of Channels:** 2 (Dual UART)  
- **Data Rate:** Up to **3 Mbps**  
- **FIFO Depth:** **128 bytes** (per channel for Tx and Rx)  
- **Interface:** **UART (RS-232, RS-485, RS-422 compatible)**  
- **Voltage Supply:** **3.3V or 5V**  
- **Operating Temperature Range:** **-40°C to +85°C**  
- **Package:** **48-pin LQFP (Low-profile Quad Flat Package)**  

### **Descriptions:**  
- The **XR17D158CV** is a high-performance dual UART designed for industrial and embedded applications.  
- It supports **auto-hardware and software flow control** (RTS/CTS, XON/XOFF).  
- Includes **programmable baud rate generators** with fractional dividers for precise clock control.  
- Features **infrared (IrDA) encoder/decoder support** (1.0 and 1.1 compliant).  
- Supports **multi-drop mode (RS-485 half-duplex)** with automatic direction control.  

### **Features:**  
- **128-byte deep FIFOs** for both transmit and receive (per channel).  
- **Automatic RS-485 half-duplex control** (eliminates external logic).  
- **Sleep mode** for reduced power consumption.  
- **Programmable GPIOs** (General Purpose Input/Output) for additional control.  
- **Industrial-grade reliability** with **ESD protection** (up to ±15kV).  
- **Software-compatible** with industry-standard **16C550 UARTs**.  

This part is commonly used in **industrial automation, point-of-sale (POS) systems, networking equipment, and embedded communication applications**.  

Let me know if you need any additional details.

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