MC9S12DG128MFUE

Product Overview

• Category: Microcontroller
• Use: Embedded systems, automotive applications
• Characteristics:
  • 16-bit microcontroller
  • High-performance computing capabilities
  • Integrated peripherals for automotive applications
• Package: QFP (Quad Flat Package)
• Essence: A powerful microcontroller designed for automotive embedded systems
• Packaging/Quantity: Available in reels of 250 units

Specifications

• Architecture: 16-bit HCS12
• Flash Memory: 128 KB
• RAM: 4 KB
• Operating Voltage: 2.35V to 5.5V
• Clock Speed: Up to 25 MHz
• Number of I/O Pins: 112
• Communication Interfaces: CAN, SPI, SCI, I2C
• Analog-to-Digital Converter (ADC): 10-bit, 8 channels
• Timers: 16-bit, 8 channels
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MC9S12DG128MFUE microcontroller has a total of 112 I/O pins. The pin configuration is as follows:

• Port A: PA0 to PA7
• Port B: PB0 to PB7
• Port C: PC0 to PC7
• Port D: PD0 to PD7
• Port E: PE0 to PE7
• Port F: PF0 to PF7
• Port G: PG0 to PG7
• Port H: PH0 to PH7
• Port J: PJ0 to PJ7
• Port K: PK0 to PK7

Functional Features

1. High-performance Computing: The MC9S12DG128MFUE microcontroller offers a 16-bit architecture with a clock speed of up to 25 MHz, providing efficient and fast computing capabilities for embedded systems.

2. Integrated Peripherals: This microcontroller is specifically designed for automotive applications and includes various integrated peripherals such as CAN, SPI, SCI, and I2C interfaces, allowing seamless communication with other automotive components.

3. Analog-to-Digital Conversion: With its 10-bit ADC, the MC9S12DG128MFUE can accurately convert analog signals into digital data, making it suitable for applications that require precise measurements.

4. Timers: The microcontroller features 16-bit timers, providing multiple channels for timing and synchronization purposes in automotive systems.

Advantages and Disadvantages

Advantages

• High-performance computing capabilities
• Integrated peripherals tailored for automotive applications
• Adequate memory capacity for most embedded system requirements
• Wide operating voltage range allows flexibility in power supply options
• Extensive I/O pins for versatile connectivity

Disadvantages

• Limited RAM capacity compared to some other microcontrollers in the market
• Relatively higher power consumption due to the high clock speed

Working Principles

The MC9S12DG128MFUE microcontroller operates based on the HCS12 architecture. It executes instructions stored in its flash memory, processes data, and communicates with external devices through its integrated peripherals. The microcontroller's clock generates timing signals for synchronization, while the I/O pins facilitate input and output operations.

Detailed Application Field Plans

The MC9S12DG128MFUE microcontroller finds extensive use in various automotive applications, including:

1. Engine Control Units (ECUs)
2. Body Control Modules (BCMs)
3. Anti-lock Braking Systems (ABS)
4. Airbag Control Units (ACUs)
5. Instrument Clusters
6. Infotainment Systems

Its powerful computing capabilities, integrated peripherals, and automotive-specific features make it an ideal choice for these applications.

Detailed and Complete Alternative Models

1. MC9S12DG256MFUE: Similar to MC9S12DG128MFUE but with double the flash memory capacity (256 KB).
2. MC9S12DJ64MFUE: A lower-cost alternative with reduced flash memory (64 KB) and fewer I/O pins.
3. MC9S12DT256MFUE: Offers increased RAM capacity (8 KB) compared to MC9S12DG128MFUE.

These alternative models provide options based on specific project requirements, offering varying memory capacities and pin configurations.

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