XR21B1421IL28-F

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Serial Communication Controller
• Characteristics:
  • Low-power consumption
  • High-speed data transfer
  • Small form factor
• Package: IL28-F (28-pin plastic quad flat package)
• Essence: The XR21B1421IL28-F is a versatile IC designed for serial communication control, offering efficient and reliable data transfer capabilities.

Specifications

• Supply Voltage: 3.3V
• Data Rate: Up to 12 Mbps
• Number of Channels: 2
• Interface: UART (Universal Asynchronous Receiver/Transmitter)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The XR21B1421IL28-F has a total of 28 pins, each serving a specific function. Here is a detailed pin configuration:

| Pin Number | Pin Name | Function | |------------|----------|----------| | 1 | VCC | Power supply voltage input | | 2 | GND | Ground | | 3 | TXD1 | Transmit Data Channel 1 | | 4 | RXD1 | Receive Data Channel 1 | | 5 | RTS1 | Request To Send Channel 1 | | 6 | CTS1 | Clear To Send Channel 1 | | 7 | DTR1 | Data Terminal Ready Channel 1 | | 8 | DSR1 | Data Set Ready Channel 1 | | 9 | RI1 | Ring Indicator Channel 1 | | 10 | CD1 | Carrier Detect Channel 1 | | 11 | NC | No Connection | | 12 | NC | No Connection | | 13 | NC | No Connection | | 14 | NC | No Connection | | 15 | NC | No Connection | | 16 | NC | No Connection | | 17 | NC | No Connection | | 18 | NC | No Connection | | 19 | NC | No Connection | | 20 | NC | No Connection | | 21 | NC | No Connection | | 22 | NC | No Connection | | 23 | NC | No Connection | | 24 | NC | No Connection | | 25 | NC | No Connection | | 26 | NC | No Connection | | 27 | NC | No Connection | | 28 | NC | No Connection |

Functional Features

• Dual-channel UART: Allows simultaneous communication on two separate channels.
• Flow Control: Supports hardware flow control using RTS (Request To Send) and CTS (Clear To Send) signals.
• Modem Control: Provides DTR (Data Terminal Ready), DSR (Data Set Ready), RI (Ring Indicator), and CD (Carrier Detect) signals for modem control.
• Auto RTS/CTS: Automatically controls RTS and CTS signals based on the receive buffer status, ensuring efficient data flow.

Advantages and Disadvantages

Advantages: - Low-power consumption: Ideal for battery-powered devices. - High-speed data transfer: Enables fast and reliable communication. - Small form factor: Saves space in compact designs.

Disadvantages: - Limited number of channels: Only supports two channels.

Working Principles

The XR21B1421IL28-F operates as a serial communication controller by implementing UART functionality. It receives and transmits data in a serial format, converting parallel data from the microcontroller into a serial stream for transmission and vice versa. It also handles flow control and modem control signals to ensure reliable data transfer.

Detailed Application Field Plans

The XR21B1421IL28-F is widely used in various applications that require serial communication, such as: - Industrial automation systems - Embedded systems - Networking equipment - Medical devices - Consumer electronics

Detailed and Complete Alternative Models

• XR21V1414IL16-F: Similar functionality with a different pin configuration and package (16-pin plastic quad flat package).
• XR21B1422IL32-F: Similar functionality with additional features and a different pin configuration and package (32-pin plastic quad flat package).
• XR20M1170IL24-F: UART IC with single-channel functionality and a different pin configuration and package (24-pin plastic quad flat package).

(Note: This list is not exhaustive and there may be other alternative models available in the market.)

This entry provides an overview of the XR21B1421IL28-F, including its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.