XR17V254IV-F

Product Overview

• Category: Integrated Circuit (IC)
• Use: Serial Multi-channel UART (Universal Asynchronous Receiver/Transmitter)
• Characteristics: High-performance, multi-channel UART with advanced features
• Package: Integrated Circuit (IC) package
• Essence: Facilitates serial communication between microcontrollers and peripheral devices
• Packaging/Quantity: Available in various packaging options, quantity depends on the supplier

Specifications

• Number of Channels: 4
• Data Rate: Up to 15 Mbps
• Operating Voltage: 3.3V
• Interface: UART
• FIFO Buffer Size: 128 bytes per channel
• Operating Temperature Range: -40°C to +85°C
• Package Type: QFN (Quad Flat No-leads)

Detailed Pin Configuration

The XR17V254IV-F has a total of 48 pins. The pin configuration is as follows:

1. VCC
2. GND
3. TXD0
4. RXD0
5. CTS0
6. RTS0
7. TXD1
8. RXD1
9. CTS1
10. RTS1
11. TXD2
12. RXD2
13. CTS2
14. RTS2
15. TXD3
16. RXD3
17. CTS3
18. RTS3
19. CLK
20. RESET
21. IRQ
22. INTA
23. INTB
24. INTC
25. INTD
26. SDA
27. SCL
28. AD0
29. AD1
30. AD2
31. AD3
32. AD4
33. AD5
34. AD6
35. AD7
36. AD8
37. AD9
38. AD10
39. AD11
40. AD12
41. AD13
42. AD14
43. AD15
44. AD16
45. AD17
46. AD18
47. AD19
48. AD20

Functional Features

• Multi-channel UART with independent data rates and FIFO buffers
• Supports 5, 6, 7, or 8-bit data formats
• Parity generation and detection (odd, even, or none)
• Automatic hardware flow control (CTS/RTS)
• Programmable interrupt controller with individual channel interrupts
• I2C bus interface for configuration and control

Advantages and Disadvantages

Advantages: - High-performance UART with multiple channels - Flexible data format and flow control options - Large FIFO buffer size for efficient data handling - Wide operating temperature range for various applications

Disadvantages: - Requires additional components for I2C bus communication - Limited availability of alternative models in the market

Working Principles

The XR17V254IV-F is designed to facilitate serial communication between microcontrollers and peripheral devices. It operates based on the UART protocol, which allows asynchronous transmission and reception of data. The IC provides multiple channels, each with its own data rate and FIFO buffer. It supports various data formats, including different bit lengths and parity options. The integrated hardware flow control (CTS/RTS) ensures reliable data transfer by preventing data overflow or loss. The programmable interrupt controller enables efficient handling of interrupts from individual channels.

Detailed Application Field Plans

The XR17V254IV-F is widely used in various applications that require multi-channel UART communication. Some of the common application fields include:

1. Industrial Automation: Used for connecting PLCs (Programmable Logic Controllers) with peripheral devices such as sensors, actuators, and HMI (Human-Machine Interface) panels.
2. Networking Equipment: Integrated into routers, switches, and network interface cards for serial communication with external devices.
3. Embedded Systems: Enables communication between microcontrollers and external modules such as GPS receivers, RFID readers, and display units.
4. Medical Devices: Utilized in medical equipment for data exchange between control units and monitoring devices.
5. Automotive Electronics: Integrated into automotive systems for communication between ECUs (Electronic Control Units), sensors, and actuators.

Detailed and Complete Alternative Models

1. XR17V254IV-F-EX: Extended temperature range version of XR17V254IV-F (-40°C to +105°C).
2. XR17V254IV-F-G: Green package variant with lead-free construction.
3. XR17V254IV-F-Q: Quad Flat Package (QFP) variant with a different pin configuration.
4. XR17V254IV-F-LP: Low-power version with reduced operating voltage (2.5V).

Please note that the availability of alternative models may vary depending on the supplier and market demand.

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