Exar Corporation
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XR16C854IV-F
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XR16C854IV-F

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Serial Communication Controller
  • Characteristics: High-performance, multi-channel UART with FIFO buffers
  • Package: 64-pin QFP (Quad Flat Package)
  • Essence: The XR16C854IV-F is a versatile serial communication controller designed for applications requiring multiple UART channels with advanced features.
  • Packaging/Quantity: Available in tape and reel packaging, quantity varies based on customer requirements.

Specifications

  • Number of Channels: 4
  • Data Rate: Up to 5 Mbps
  • FIFO Buffer Size: 128 bytes per channel
  • Operating Voltage: 3.3V
  • Operating Temperature Range: -40°C to +85°C
  • Interface: Compatible with industry-standard UART protocols
  • Interrupts: Programmable interrupt control for efficient data handling
  • Power Management: Supports power-saving modes for reduced energy consumption

Detailed Pin Configuration

The XR16C854IV-F has a total of 64 pins. Below is the detailed pin configuration:

  1. VCC
  2. GND
  3. TXD0
  4. RXD0
  5. CTS0
  6. RTS0
  7. DSR0
  8. DCD0
  9. RI0
  10. TXD1
  11. RXD1
  12. CTS1
  13. RTS1
  14. DSR1
  15. DCD1
  16. RI1
  17. TXD2
  18. RXD2
  19. CTS2
  20. RTS2
  21. DSR2
  22. DCD2
  23. RI2
  24. TXD3
  25. RXD3
  26. CTS3
  27. RTS3
  28. DSR3
  29. DCD3
  30. RI3 31-34. Reserved
  31. IRQ
  32. INTB
  33. INTA
  34. SCLK
  35. SDATA
  36. SCLOCK 41-44. Reserved
  37. RESET 46-49. Ground 50-53. Reserved
  38. VCC

Functional Features

  • Multi-channel UART: Provides four independent UART channels for simultaneous communication.
  • FIFO Buffers: Each channel has a 128-byte FIFO buffer, reducing CPU overhead and improving data throughput.
  • Programmable Interrupts: Allows efficient handling of incoming and outgoing data with interrupt-driven operation.
  • Power Management: Supports power-saving modes to optimize energy consumption in low-power applications.
  • Industry-standard Interface: Compatible with commonly used UART protocols, ensuring easy integration into existing systems.

Advantages and Disadvantages

Advantages: - Multiple Channels: The XR16C854IV-F offers four UART channels, providing flexibility in multi-device communication. - High Data Rate: With a maximum data rate of 5 Mbps, it enables fast and efficient data transfer. - FIFO Buffers: The built-in FIFO buffers enhance performance by reducing CPU utilization and minimizing data loss.

Disadvantages: - Package Size: The 64-pin QFP package may require additional space on the PCB compared to smaller packages. - Limited Availability: Availability may vary based on market demand and supplier stock.

Working Principles

The XR16C854IV-F operates as a serial communication controller by receiving and transmitting data through its UART channels. It utilizes FIFO buffers to store incoming and outgoing data, reducing the burden on the CPU. The programmable interrupt control allows efficient handling of data, ensuring timely processing. The power management features enable power-saving modes, making it suitable for battery-powered devices.

Detailed Application Field Plans

The XR16C854IV-F is widely used in various applications that require multiple UART channels, such as:

  1. Industrial Automation: Used for communication between PLCs (Programmable Logic Controllers) and peripheral devices.
  2. Networking Equipment: Enables serial communication in routers, switches, and network interface cards.
  3. Point-of-Sale Systems: Facilitates data transfer between POS terminals and peripherals like barcode scanners and receipt printers.
  4. Embedded Systems: Provides serial connectivity in embedded systems, including medical devices, automotive electronics, and consumer electronics.

Detailed and Complete Alternative Models

  • XR16C854IV-F-EB: Evaluation board for XR16C854IV-F with additional features for development and testing purposes.
  • XR16C854IV-F-IO: Extended temperature range variant of XR16C854IV-F suitable for harsh environments.
  • XR16C854IV-F-NH: Lead-free version of XR16C854IV-F compliant with RoHS regulations.

These alternative models offer similar functionality to the XR16C854IV-F and can be considered based on specific project requirements.

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Énumérez 10 questions et réponses courantes liées à l'application de XR16C854IV-F dans les solutions techniques

Sure! Here are 10 common questions and answers related to the application of XR16C854IV-F in technical solutions:

  1. Q: What is XR16C854IV-F? A: XR16C854IV-F is a UART (Universal Asynchronous Receiver/Transmitter) integrated circuit commonly used for serial communication in technical solutions.

  2. Q: What are the key features of XR16C854IV-F? A: Some key features of XR16C854IV-F include four independent UART channels, support for high-speed data rates up to 3 Mbps, and compatibility with various protocols like RS-232, RS-422, and RS-485.

  3. Q: How can I interface XR16C854IV-F with a microcontroller or processor? A: XR16C854IV-F typically uses a standard parallel bus interface to connect with microcontrollers or processors. It requires control signals like chip select, read/write, and interrupt lines.

  4. Q: Can XR16C854IV-F be used in both full-duplex and half-duplex communication modes? A: Yes, XR16C854IV-F supports both full-duplex and half-duplex communication modes, allowing bidirectional data transfer.

  5. Q: What voltage levels does XR16C854IV-F operate at? A: XR16C854IV-F operates at a voltage range of 3.3V to 5V, making it compatible with a wide range of systems.

  6. Q: Does XR16C854IV-F have built-in FIFO buffers? A: Yes, XR16C854IV-F has 16-byte transmit and receive FIFO buffers per channel, which help in reducing CPU overhead and improving performance.

  7. Q: Can XR16C854IV-F handle flow control signals? A: Yes, XR16C854IV-F supports hardware flow control signals like RTS/CTS (Request to Send/Clear to Send) and DTR/DSR (Data Terminal Ready/Data Set Ready).

  8. Q: Is XR16C854IV-F compatible with Windows and Linux operating systems? A: Yes, XR16C854IV-F is compatible with both Windows and Linux operating systems. It has drivers available for these platforms.

  9. Q: Can I use XR16C854IV-F in industrial applications? A: Absolutely! XR16C854IV-F is commonly used in industrial applications like factory automation, process control, and instrumentation due to its reliability and robustness.

  10. Q: Where can I find more information about XR16C854IV-F and its application notes? A: You can refer to the datasheet and application notes provided by the manufacturer of XR16C854IV-F. They contain detailed information on its features, usage, and recommended circuit designs.

Please note that the answers provided here are general and may vary depending on specific requirements and implementations.