NXP USA Inc.
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MC9S12DG256CFUE
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MC9S12DG256CFUE

Product Overview

  • Category: Microcontroller
  • Use: Embedded systems, automotive applications
  • Characteristics:
    • High-performance 16-bit microcontroller
    • Integrated peripherals for automotive applications
    • Flash memory for program storage
    • EEPROM for data storage
  • Package: QFP (Quad Flat Package)
  • Essence: A powerful microcontroller designed for automotive embedded systems.
  • Packaging/Quantity: Available in tape and reel packaging, quantity varies based on supplier.

Specifications

  • Architecture: 16-bit
  • CPU Speed: Up to 25 MHz
  • Program Memory Size: 256 KB Flash
  • Data Memory Size: 4 KB EEPROM, 8 KB RAM
  • Number of I/O Pins: 112
  • Operating Voltage Range: 2.35V to 5.5V
  • Temperature Range: -40°C to +125°C
  • Communication Interfaces: CAN, SPI, SCI, I2C
  • Analog-to-Digital Converter (ADC): 10-bit, 8 channels
  • Timer Modules: 8-bit and 16-bit timers
  • Watchdog Timer: Yes
  • Interrupt Sources: Multiple interrupt sources available

Detailed Pin Configuration

The MC9S12DG256CFUE microcontroller has a total of 112 pins. The pin configuration is as follows:

  • Pins 1-8: Port A (PA0-PA7)
  • Pins 9-16: Port B (PB0-PB7)
  • Pins 17-24: Port C (PC0-PC7)
  • Pins 25-32: Port D (PD0-PD7)
  • Pins 33-40: Port E (PE0-PE7)
  • Pins 41-48: Port F (PF0-PF7)
  • Pins 49-56: Port G (PG0-PG7)
  • Pins 57-64: Port H (PH0-PH7)
  • Pins 65-72: Port J (PJ0-PJ7)
  • Pins 73-80: Port K (PK0-PK7)
  • Pins 81-88: Port L (PL0-PL7)
  • Pins 89-96: Port M (PM0-PM7)
  • Pins 97-104: Port N (PN0-PN7)
  • Pins 105-112: Port P (PP0-PP7)

Functional Features

The MC9S12DG256CFUE microcontroller offers several functional features, including:

  1. High-performance CPU: The 16-bit CPU allows for efficient execution of instructions and faster processing.
  2. Integrated Peripherals: The microcontroller includes various peripherals such as CAN, SPI, SCI, and I2C interfaces, enabling seamless communication with other devices.
  3. Flash Memory: The built-in flash memory provides ample storage space for program code, allowing for easy firmware updates.
  4. EEPROM: The embedded EEPROM allows for non-volatile data storage, ensuring data integrity even during power loss.
  5. Analog-to-Digital Converter: The 10-bit ADC enables the microcontroller to interface with analog sensors and convert analog signals into digital values.
  6. Timer Modules: The timer modules facilitate precise timing operations required in automotive applications.
  7. Watchdog Timer: The integrated watchdog timer ensures system reliability by monitoring and resetting the microcontroller if necessary.
  8. Interrupt Sources: Multiple interrupt sources allow for efficient handling of external events and real-time response.

Advantages and Disadvantages

Advantages: - High-performance CPU for faster processing - Integrated peripherals simplify system design - Ample program and data memory for complex applications - Wide operating voltage range for flexibility - Robust temperature range suitable for automotive environments

Disadvantages: - Limited pin count may restrict the number of external devices that can be connected directly - Higher power consumption compared to low-power microcontrollers

Working Principles

The MC9S12DG256CFUE microcontroller operates based on the Von Neumann architecture. It executes instructions fetched from the flash memory and stores data in the EEPROM and RAM. The CPU interacts with various peripherals through dedicated interfaces, enabling communication with external devices. Interrupts are used to handle time-critical events and ensure real-time responsiveness.

Detailed Application Field Plans

The MC9S12DG256CFUE microcontroller is widely used in automotive applications, including:

  1. Engine Control Units (ECUs): The microcontroller powers ECUs responsible for controlling fuel injection, ignition timing, and other engine parameters.
  2. Body Control Modules (BCMs): It is utilized in BCMs to manage functions like central locking, lighting control, and climate control.
  3. Anti-lock Braking Systems (ABS): The microcontroller plays a crucial role in ABS units, ensuring precise control over braking systems.
  4. Airbag Control Units (ACUs):

기술 솔루션에 MC9S12DG256CFUE 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.

Sure! Here are 10 common questions and answers related to the application of MC9S12DG256CFUE in technical solutions:

  1. Q: What is MC9S12DG256CFUE? A: MC9S12DG256CFUE is a microcontroller from the MC9S12 family, specifically designed for embedded applications.

  2. Q: What are the key features of MC9S12DG256CFUE? A: Some key features include a 16-bit CPU core, 256KB flash memory, 8KB RAM, multiple communication interfaces, and various peripherals.

  3. Q: What kind of technical solutions can MC9S12DG256CFUE be used for? A: MC9S12DG256CFUE can be used in a wide range of applications such as automotive systems, industrial control, consumer electronics, and more.

  4. Q: How does MC9S12DG256CFUE handle communication interfaces? A: MC9S12DG256CFUE supports various communication interfaces like UART, SPI, I2C, CAN, and LIN, making it suitable for connecting with other devices.

  5. Q: Can MC9S12DG256CFUE handle real-time tasks? A: Yes, MC9S12DG256CFUE has built-in timers and interrupt capabilities, allowing it to handle real-time tasks efficiently.

  6. Q: Is MC9S12DG256CFUE suitable for low-power applications? A: Yes, MC9S12DG256CFUE offers power-saving modes and features like stop mode, wait mode, and reduced power consumption during operation.

  7. Q: Can MC9S12DG256CFUE be programmed easily? A: Yes, MC9S12DG256CFUE can be programmed using popular development tools and programming languages like C or assembly language.

  8. Q: Are there any development boards available for MC9S12DG256CFUE? A: Yes, there are development boards specifically designed for MC9S12DG256CFUE, which provide easy prototyping and testing capabilities.

  9. Q: Can MC9S12DG256CFUE be used in safety-critical applications? A: Yes, MC9S12DG256CFUE offers features like memory protection, watchdog timer, and error detection mechanisms, making it suitable for safety-critical applications.

  10. Q: Where can I find additional resources and support for MC9S12DG256CFUE? A: You can find additional resources, datasheets, application notes, and support on the official website of the microcontroller manufacturer or through online communities and forums dedicated to embedded systems.