XR16C854DIVTR-F

Overview

• Category: Integrated Circuit (IC)
• Use: Serial Communication Controller
• Characteristics: High-performance, multi-channel UART (Universal Asynchronous Receiver Transmitter) with FIFO (First-In-First-Out) buffers
• Package: TQFP (Thin Quad Flat Package)
• Essence: Provides reliable and efficient serial communication capabilities for various applications
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Number of Channels: 4
• Data Rate: Up to 5 Mbps
• Operating Voltage: 3.3V
• FIFO Depth: 128 bytes per channel
• Interrupts: Programmable interrupt modes
• Supported Protocols: RS-232, RS-422, RS-485, IrDA

Pin Configuration

The XR16C854DIVTR-F has a total of 64 pins. The pin configuration is as follows:

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. INTA#
32. INTB#
33. INTEN#
34. RESET#
35. SCLK
36. SDATA
37. SLOAD#
38. SOUT
39. SIN
40. VCC

(Continued...)

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: Supports various interrupt modes, allowing efficient handling of incoming data.
• Flexible Protocol Support: Compatible with RS-232, RS-422, RS-485, and IrDA protocols, enabling versatile connectivity options.

Advantages

• High Performance: Offers fast data rates of up to 5 Mbps, ensuring efficient data transfer.
• Reliable Communication: FIFO buffers minimize data loss and improve overall system reliability.
• Versatile Compatibility: Supports multiple communication protocols, making it suitable for a wide range of applications.
• Low Power Consumption: Operates at a low voltage of 3.3V, reducing power consumption and heat generation.

Disadvantages

• Limited Channel Count: The XR16C854DIVTR-F provides only four UART channels, which may not be sufficient for certain applications requiring more channels.
• Package Size: The TQFP package may require additional space on the PCB compared to smaller package options.

Working Principles

The XR16C854DIVTR-F is designed to facilitate serial communication between devices. It utilizes UART technology to convert parallel data into serial format for transmission and vice versa. The integrated FIFO buffers help in managing data flow and reducing CPU intervention. The chip supports various protocols, allowing seamless communication across different interfaces.

Application Field Plans

The XR16C854DIVTR-F finds applications in various fields, including:

1. Industrial Automation: Used for communication between PLCs (Programmable Logic Controllers) and other industrial equipment.
2. Networking Equipment: Enables serial communication in routers, switches, and network servers.
3. Point-of-Sale Systems: Facilitates communication between POS terminals and peripherals such as barcode scanners and receipt printers.
4. Medical Devices: Provides serial connectivity for medical equipment like patient monitors and diagnostic devices.

Alternative Models

1. XR16C854IV-F: Similar to XR16C854DIVTR-F but available in an SOIC (Small Outline Integrated Circuit) package.
2. XR16C854ID-F: Offers the same functionality as XR16C854DIVTR-F but comes in a smaller QFN (Quad Flat No-Lead) package.
3. XR16C854CP-F: A pin-compatible alternative with additional features like hardware flow control.

These alternative models provide similar functionality and can be considered based on specific requirements and package preferences.

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