MC9S12DG256VFUE

Product Overview

• Category: Microcontroller
• Use: Embedded systems, automotive applications
• Characteristics: High performance, low power consumption, extensive peripheral integration
• Package: 112-pin LQFP (Low Profile Quad Flat Package)
• Essence: Advanced microcontroller with integrated peripherals for automotive applications
• Packaging/Quantity: Available in tape and reel packaging, quantity varies based on customer requirements

Specifications

• Architecture: 16-bit HCS12 core
• Flash Memory: 256 KB
• RAM: 12 KB
• Operating Voltage: 2.35V to 5.5V
• Operating Temperature: -40°C to +125°C
• Clock Speed: Up to 25 MHz
• Number of I/O Pins: 84
• Communication Interfaces: CAN, SPI, SCI, I2C
• Analog-to-Digital Converter: 10-bit, 8 channels
• Timers: 16-bit, 8 channels
• PWM Channels: 6
• Interrupts: 56 sources

Detailed Pin Configuration

The MC9S12DG256VFUE microcontroller has a total of 112 pins. The pin configuration is as follows:

• Pins 1-4: VDD (Power Supply)
• Pins 5-8: Ground
• Pins 9-16: Port A (General Purpose I/O)
• Pins 17-24: Port B (General Purpose I/O)
• Pins 25-32: Port C (General Purpose I/O)
• Pins 33-40: Port D (General Purpose I/O)
• Pins 41-48: Port E (General Purpose I/O)
• Pins 49-56: Port F (General Purpose I/O)
• Pins 57-64: Port G (General Purpose I/O)
• Pins 65-72: Port H (General Purpose I/O)
• Pins 73-80: Port J (General Purpose I/O)
• Pins 81-88: Port K (General Purpose I/O)
• Pins 89-96: Analog Inputs
• Pins 97-104: Communication Interfaces (CAN, SPI, SCI, I2C)
• Pins 105-112: Power Supply and Ground

Functional Features

• High-performance 16-bit HCS12 core for efficient processing
• Extensive peripheral integration including CAN, SPI, SCI, and I2C interfaces
• Integrated analog-to-digital converter for precise measurements
• Multiple timers and PWM channels for accurate timing and control
• Low power consumption for energy-efficient applications
• Wide operating voltage and temperature range for automotive environments

Advantages and Disadvantages

Advantages: - High performance and extensive peripheral integration make it suitable for complex automotive applications - Low power consumption helps in reducing energy usage and extending battery life - Wide operating voltage and temperature range ensure reliable operation in harsh conditions

Disadvantages: - Limited RAM capacity may restrict the complexity of applications that can be implemented - Availability of alternative models with more advanced features may limit its long-term viability

Working Principles

The MC9S12DG256VFUE microcontroller operates based on the 16-bit HCS12 core architecture. It executes instructions stored in its flash memory and interacts with various peripherals to perform specific tasks. The integrated peripherals, such as communication interfaces, timers, and analog-to-digital converter, enable the microcontroller to interface with external devices and sensors, process data, and control outputs.

Detailed Application Field Plans

The MC9S12DG256VFUE microcontroller is widely used in 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. Infotainment Systems
6. Climate Control Systems

Its high performance, extensive peripheral integration, and automotive-specific features make it suitable for these applications.

Detailed and Complete Alternative Models

• MC9S12DG128VFUE: Similar to MC9S12DG256VFUE but with 128 KB flash memory
• MC9S12DJ256BVFUE: Upgraded version with enhanced features and 256 KB flash memory
• MC9S12XEP100MAG: Advanced microcontroller with higher processing power and additional peripherals

These alternative models offer different capabilities and can be considered based on specific application requirements.

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