MC9S12DJ256MPVE

Product Overview

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

Specifications

• Architecture: 16-bit HCS12X core
• Clock Speed: Up to 25 MHz
• Flash Memory: 256 KB
• RAM: 12 KB
• EEPROM: 2 KB
• Operating Voltage: 2.35V to 5.5V
• I/O Pins: 84
• Timers: 8-channel 16-bit timers
• Analog-to-Digital Converter: 10-bit resolution, 8 channels
• Serial Communication Interfaces: SCI, SPI, I2C
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MC9S12DJ256MPVE 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: Serial Communication Interfaces (SCI, SPI, I2C)
• Pins 105-112: Timers and Other Peripheral Interfaces

Functional Features

• High-performance 16-bit HCS12X core for efficient processing
• Extensive peripheral integration including timers, analog-to-digital converter, and serial communication interfaces
• Enhanced security features to protect sensitive data
• Low power consumption for energy-efficient operation
• Wide operating temperature range suitable for automotive applications
• Robust packaging for durability and reliability

Advantages and Disadvantages

Advantages

• Powerful microcontroller with advanced features
• Suitable for demanding automotive applications
• Extensive peripheral integration reduces external component count
• Enhanced security features protect against unauthorized access
• Low power consumption extends battery life

Disadvantages

• Higher cost compared to simpler microcontrollers
• Steeper learning curve due to complex architecture
• Limited availability of alternative models with similar features

Working Principles

The MC9S12DJ256MPVE microcontroller operates based on the 16-bit HCS12X core architecture. It executes instructions stored in its flash memory and interacts with various peripherals to perform desired tasks. The microcontroller communicates with external devices through its I/O pins and serial communication interfaces. It can process analog signals using its built-in analog-to-digital converter and generate precise timing using its timers. The microcontroller's working principles are designed to meet the requirements of automotive applications, providing reliable and efficient performance.

Detailed Application Field Plans

The MC9S12DJ256MPVE microcontroller is widely used 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. Infotainment Systems
6. Climate Control Systems

Its high performance, extensive peripheral integration, and enhanced security features make it suitable for demanding automotive environments.

Detailed and Complete Alternative Models

While the MC9S12DJ256MPVE microcontroller offers advanced features for automotive applications, there are alternative models available with similar capabilities. Some notable alternatives include:

1. NXP S12XE Family
2. Renesas RH850 Family
3. Texas Instruments TMS570 Family

These alternative models provide comparable performance and features, allowing designers to choose the most suitable microcontroller for their specific application requirements.

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