NXP USA Inc.
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SJA1000/N1,112
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SJA1000/N1,112

Product Overview

Category

The SJA1000/N1,112 belongs to the category of integrated circuits (ICs) specifically designed for use in automotive applications.

Use

This product is primarily used as a controller area network (CAN) interface for communication between various electronic control units (ECUs) in vehicles. It enables reliable and efficient data transmission within the vehicle's network.

Characteristics

  • Robust and reliable communication interface
  • High-speed data transmission capability
  • Low power consumption
  • Compact package size
  • Wide operating temperature range

Package

The SJA1000/N1,112 is available in a small outline integrated circuit (SOIC) package, which ensures easy integration into automotive electronic systems.

Essence

The essence of the SJA1000/N1,112 lies in its ability to facilitate seamless communication between different ECUs in vehicles, enabling efficient data exchange and enhancing overall system performance.

Packaging/Quantity

This product is typically packaged in reels or tubes, with each reel/tube containing a specific quantity of SJA1000/N1,112 ICs. The exact quantity may vary depending on the manufacturer and customer requirements.

Specifications

  • Supply Voltage: 5V
  • Operating Temperature Range: -40°C to +125°C
  • Data Rate: Up to 1 Mbps
  • Number of Pins: 28
  • Interface Protocol: CAN 2.0B

Detailed Pin Configuration

  1. VCC
  2. GND
  3. TXD
  4. RXD
  5. CS
  6. CLKOUT
  7. INT
  8. RESET
  9. NC
  10. NC
  11. NC
  12. NC
  13. NC
  14. NC
  15. NC
  16. NC
  17. NC
  18. NC
  19. NC
  20. NC
  21. NC
  22. NC
  23. NC
  24. NC
  25. NC
  26. NC
  27. NC
  28. NC

Functional Features

  • Supports both 11-bit and 29-bit identifier formats
  • Implements advanced error detection and error handling mechanisms
  • Offers flexible message filtering options
  • Provides programmable bit timing parameters for optimal data transmission
  • Supports multiple operating modes, including normal, listen-only, and self-test modes

Advantages and Disadvantages

Advantages

  • High-speed data transmission capability enhances overall system performance.
  • Robust error detection and handling mechanisms ensure reliable communication.
  • Compact package size allows for easy integration into automotive electronic systems.
  • Wide operating temperature range enables usage in various environmental conditions.

Disadvantages

  • Limited pin configuration options may restrict certain application scenarios.
  • Requires additional external components for complete system implementation.
  • Relatively higher cost compared to some alternative models.

Working Principles

The SJA1000/N1,112 operates based on the CAN protocol, which utilizes a differential signaling scheme for data transmission. It receives and transmits data frames through the TXD and RXD pins, following the specified bit timing parameters. The integrated circuit implements various error detection and handling mechanisms to ensure reliable communication between ECUs.

Detailed Application Field Plans

The SJA1000/N1,112 finds extensive application in the automotive industry, specifically in vehicles where multiple ECUs need to communicate with each other. Some common application areas include:

  1. Engine Control Units (ECUs)
  2. Transmission Control Units (TCUs)
  3. Anti-lock Braking Systems (ABS)
  4. Airbag Control Units (ACUs)
  5. Body Control Modules (BCMs)

Detailed and Complete Alternative Models

  1. MCP2515 - Microchip Technology Inc.
  2. TJA1050 - NXP Semiconductors
  3. PCA82C250 - Infineon Technologies AG
  4. SN65HVD230 - Texas Instruments Inc.
  5. ISO1050 - Texas Instruments Inc.

These alternative models offer similar functionality and can be considered as substitutes for the SJA1000/N1,112 in automotive CAN communication applications.

In conclusion, the SJA1000/N1,112 is a highly reliable and efficient integrated circuit designed for automotive CAN communication. Its robust features, compact package, and wide operating temperature range make it an ideal choice for various vehicle electronic systems. However, it is essential to consider alternative models based on specific application requirements.

10 domande e risposte comuni relative all'applicazione di SJA1000/N1,112 nelle soluzioni tecniche

  1. What is the SJA1000/N1,112 used for?
    - The SJA1000/N1,112 is a CAN controller used for implementing Controller Area Network (CAN) communication in various technical solutions.

  2. What are the key features of the SJA1000/N1,112?
    - The SJA1000/N1,112 features include multiple message buffers, programmable bit rates, and error detection and handling capabilities.

  3. How do I interface the SJA1000/N1,112 with a microcontroller?
    - The SJA1000/N1,112 can be interfaced with a microcontroller using its parallel or serial interface, depending on the specific application requirements.

  4. Can the SJA1000/N1,112 support multiple CAN channels?
    - Yes, the SJA1000/N1,112 can support multiple CAN channels through its flexible configuration options.

  5. What programming languages can be used to control the SJA1000/N1,112?
    - The SJA1000/N1,112 can be controlled using various programming languages such as C, C++, and assembly language, depending on the microcontroller platform.

  6. How does the SJA1000/N1,112 handle error frames in the CAN network?
    - The SJA1000/N1,112 has built-in error detection and handling mechanisms to manage error frames within the CAN network.

  7. Can the SJA1000/N1,112 operate in different CAN bus modes?
    - Yes, the SJA1000/N1,112 can operate in various CAN bus modes including standard, extended, and listen-only modes.

  8. What is the maximum data transfer rate supported by the SJA1000/N1,112?
    - The SJA1000/N1,112 supports data transfer rates up to 1 Mbps, making it suitable for high-speed CAN communication applications.

  9. How does the SJA1000/N1,112 handle message filtering and acceptance?
    - The SJA1000/N1,112 provides configurable message filtering and acceptance features to selectively process incoming CAN messages based on predefined criteria.

  10. Can the SJA1000/N1,112 be used in automotive applications?
    - Yes, the SJA1000/N1,112 is commonly used in automotive applications for vehicle networking and communication systems.