XR21B1422IL40-F

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Serial Communication Controller
• Characteristics:
  • High-speed data transfer
  • Low power consumption
  • Small form factor
• Package: 40-pin QFN (Quad Flat No-Lead)
• Essence: Facilitates serial communication between microcontrollers and peripheral devices
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Supply Voltage: 3.3V
• Operating Temperature Range: -40°C to +85°C
• Data Rate: Up to 12 Mbps
• Number of UART Channels: 2
• FIFO Size: 128 bytes per channel
• Supported Protocols: RS-232, RS-422, RS-485, IrDA

Detailed Pin Configuration

The XR21B1422IL40-F has a total of 40 pins. The pin configuration is as follows:

1. VDDIO
2. GND
3. TXD1
4. RXD1
5. RTS1
6. CTS1
7. DTR1
8. DSR1
9. DCD1
10. RI1
11. VDDA
12. VDDCORE
13. VDDPLL
14. VDDOSC
15. GND
16. OSCIN
17. OSCOUT
18. RESET#
19. TXD0
20. RXD0
21. RTS0
22. CTS0
23. DTR0
24. DSR0
25. DCD0
26. RI0
27. VDDIO
28. GND
29. TXDEN1
30. RXDEN1
31. TXDEN0
32. RXDEN0
33. SLEEP#
34. WAKEUP#
35. VDDIO
36. GND
37. GPIO0
38. GPIO1
39. GPIO2
40. GPIO3

Functional Features

• Dual UART channels for simultaneous communication
• Supports various serial protocols (RS-232, RS-422, RS-485, IrDA)
• Integrated hardware flow control (RTS/CTS)
• Programmable baud rate generator
• Automatic hardware and software flow control
• Sleep mode for power-saving operation
• Wake-up functionality for low-power applications

Advantages and Disadvantages

Advantages: - High-speed data transfer - Low power consumption - Small form factor - Support for multiple serial protocols - Integrated flow control mechanisms

Disadvantages: - Limited number of UART channels - Requires external crystal oscillator for clock generation

Working Principles

The XR21B1422IL40-F is a serial communication controller that enables the exchange of data between microcontrollers and peripheral devices. It utilizes UART (Universal Asynchronous Receiver-Transmitter) technology to transmit and receive data in a serial format. The integrated hardware and software features facilitate reliable and efficient communication.

Detailed Application Field Plans

The XR21B1422IL40-F finds applications in various fields, including:

1. Industrial Automation: Used for communication between PLCs (Programmable Logic Controllers) and sensors/actuators.
2. Networking Equipment: Enables serial communication in routers, switches, and network appliances.
3. Medical Devices: Facilitates data exchange between medical equipment and control systems.
4. Automotive Electronics: Used in automotive diagnostic tools and vehicle communication systems.
5. Consumer Electronics: Enables serial communication in devices such as printers, scanners, and set-top boxes.

Detailed and Complete Alternative Models

1. XR21V1410IL16-F: Similar functionality with a 16-pin QFN package.
2. XR21B1411IL32-F: Single UART channel with a 32-pin QFN package.
3. XR21V1420IL40-F: Dual UART channels with additional GPIO pins in a 40-pin QFN package.

(Note: This is not an exhaustive list of alternative models. Please refer to the manufacturer's documentation for a complete list.)

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