XR17V258IV

The MaxLinear XR17V258IV is a highly integrated, dual-channel Universal Asynchronous Receiver/Transmitter (UART) designed for high-performance serial communication applications. This device is particularly well-suited for embedded systems, industrial automation, telecommunications, and other applications requiring reliable and efficient data transmission. Below is a comprehensive overview of the XR17V258IV, including its specifications, features, and applications.

### Overview

The XR17V258IV is designed to provide a flexible and efficient solution for serial communication. It supports a wide range of baud rates and data formats, making it adaptable to various communication protocols. The device features two independent UART channels, allowing for simultaneous communication with multiple devices. This capability is particularly beneficial in applications where multiple serial connections are required.

### Key Features

1. Dual UART Channels: The XR17V258IV includes two independent UART channels, enabling simultaneous data transmission and reception. This feature is essential for applications that require multiple serial interfaces.

2. High-Speed Operation: The device supports baud rates of up to 15 Mbps, making it suitable for high-speed data transfer applications. This high-speed capability ensures efficient communication in demanding environments.

3. Flexible Data Formats: The XR17V258IV supports various data formats, including 5, 6, 7, or 8 data bits, with options for even, odd, or no parity, and 1 or 2 stop bits. This flexibility allows the device to accommodate different communication standards.

4. FIFO Buffers: Each UART channel is equipped with a 128-byte transmit and receive FIFO buffer. This feature reduces CPU overhead by allowing the device to handle bursts of data without requiring constant intervention from the host processor.

5. Integrated Flow Control: The XR17V258IV supports both hardware flow control (RTS/CTS) and software flow control (XON/XOFF). This ensures reliable data transmission by preventing data loss during high-speed communication.

6. Interrupt Handling: The device features an interrupt-driven architecture, allowing the host processor to respond quickly to data events. This reduces the need for constant polling and improves overall system efficiency.

7. Low Power Consumption: The XR17V258IV is designed for low power operation, making it suitable for battery-powered applications and energy-efficient designs.

8. Easy Interface: The device provides an 8-bit parallel interface for easy connection to microcontrollers and processors, simplifying integration into existing systems.

### Specifications

- Supply Voltage (VCC): 3.3V to 5.5V
- Operating Temperature Range: -40°C to +85°C
- Maximum Baud Rate: Up to 15 Mbps
- Data Format: 5, 6, 7, or 8 data bits; even, odd, or no parity; 1 or 2 stop bits
- FIFO Depth: 128 bytes for both transmit and receive
- Interrupts: Supports multiple interrupt sources for efficient event handling
- Interface: 8-bit parallel interface
- Package Type: Available in a 48-pin LQFP (Low-Profile Quad Flat Package)

### Pin Configuration

The XR17V258IV is housed in a 48-pin LQFP package, which provides a compact footprint for integration into various designs. The pin configuration is as follows:

```
+-----------------+
1 | 48 1|
2 | 47 2|
3 | 46 3|
4 | 45 4|
5 | 44 5|
6 | 43 6|
7 | 42 7|
8 | 41 8|
9 | 40 9|
10 | 39 10|
+-----------------+
```

- Pin 1-8: Channel A and Channel B data lines (TXD, RXD)
- Pin 9-16: Control signals (RTS, CTS, DTR, DSR)
- Pin 17-24: FIFO control and status signals
- Pin 25-32: Interrupt and configuration pins
- Pin 33-40: Power and ground connections
- Pin 41-48: Additional control and configuration pins

### Applications

The XR17V258IV is suitable for a wide range of applications, including:

- Embedded Systems: Ideal for microcontroller-based designs requiring serial communication.
- Industrial Automation: Used in connecting sensors, actuators, and other devices in industrial control systems.
- Telecommunications: Employed in modems and communication equipment for reliable data transmission.
- Consumer Electronics: Utilized in devices requiring serial communication,