XR16C854IQTR-F

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Serial Communication Controller
• Characteristics:
  • High-performance UART with 128-byte FIFOs
  • Supports RS-232, RS-422, and RS-485 protocols
  • Low power consumption
  • Wide operating voltage range
• Package: QFN (Quad Flat No-Lead)
• Essence: The XR16C854IQTR-F is a versatile serial communication controller IC designed for various applications requiring reliable and efficient data transfer.
• Packaging/Quantity: Available in tape and reel packaging, quantity depends on customer requirements.

Specifications

• Operating Voltage Range: 3.0V to 5.5V
• Data Rate: Up to 1 Mbps
• Number of Channels: 4
• FIFO Size: 128 bytes per channel
• Protocol Support: RS-232, RS-422, RS-485
• Interface: SPI (Serial Peripheral Interface)
• Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The XR16C854IQTR-F has a total of 48 pins. Here is the pin configuration:

1. VCC
2. GND
3. TXD1
4. RXD1
5. RTS1
6. CTS1
7. DSR1
8. DCD1
9. RI1
10. TXD2
11. RXD2
12. RTS2
13. CTS2
14. DSR2
15. DCD2
16. RI2
17. TXD3
18. RXD3
19. RTS3
20. CTS3
21. DSR3
22. DCD3
23. RI3
24. TXD4
25. RXD4
26. RTS4
27. CTS4
28. DSR4
29. DCD4
30. RI4
31. SCLK
32. MOSI
33. MISO
34. SS
35. IRQ
36. RESET
37. INTB
38. INTA
39. A0
40. A1
41. A2
42. A3
43. A4
44. A5
45. A6
46. A7
47. A8
48. A9

Functional Features

• High-performance UART with deep FIFOs for efficient data buffering and transfer.
• Supports multiple serial protocols (RS-232, RS-422, RS-485) for versatile communication options.
• Low power consumption, making it suitable for battery-powered devices.
• Wide operating voltage range allows compatibility with various systems.
• Built-in SPI interface for easy integration with microcontrollers and other devices.

Advantages and Disadvantages

Advantages: - High-performance UART with large FIFOs ensures reliable and efficient data transfer. - Versatile protocol support enables compatibility with different communication standards. - Low power consumption extends battery life in portable applications. - Wide operating voltage range provides flexibility in system design. - Compact QFN package offers space-saving benefits.

Disadvantages: - Limited number of channels (4) may not be sufficient for certain applications requiring more simultaneous connections. - Requires external components for complete functionality, such as level shifters for RS-232 communication.

Working Principles

The XR16C854IQTR-F is a serial communication controller that operates based on the principles of UART (Universal Asynchronous Receiver-Transmitter). It receives and transmits data in a serial format using start and stop bits to frame each byte. The integrated FIFOs provide buffering capabilities, allowing efficient handling of data streams. The IC supports various serial protocols, including RS-232, RS-422, and RS-485, providing flexibility in communication options.

Detailed Application Field Plans

The XR16C854IQTR-F is widely used in applications that require reliable and efficient serial communication. Some of the common application fields include:

1. Industrial Automation: Used for connecting sensors, actuators, and other devices in industrial control systems.
2. Networking Equipment: Integrated into routers, switches, and network interface cards for data transmission.
3. Point-of-Sale (POS) Systems: Enables communication between POS terminals and peripherals like barcode scanners and receipt printers.
4. Medical Devices: Facilitates data exchange between medical equipment and computer systems for monitoring and diagnostics.
5. Embedded Systems: Integrated into various embedded systems, such as smart meters, home automation devices, and IoT devices.

Detailed and Complete Alternative Models

1. XR16C854ID-F: Similar to XR16C854IQTR-F but available in a different package (TSSOP).
2. MAX3100EEET: UART with similar features and protocol support, offered by Maxim Integrated.
3. SC16C754