MC9S12DT256MFUE

Product Overview

• Category: Microcontroller
• Use: Embedded systems, automotive applications
• Characteristics: High-performance, low-power consumption, integrated peripherals
• Package: 144-pin 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 HCS12 core
• Flash Memory: 256 KB
• RAM: 12 KB
• Operating Voltage: 2.35V to 5.5V
• Clock Speed: Up to 25 MHz
• Peripherals: UART, SPI, I2C, CAN, ADC, PWM, etc.
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MC9S12DT256MFUE microcontroller has a total of 144 pins. The pin configuration is as follows:

• Pins 1-8: Port A (GPIO)
• Pins 9-16: Port B (GPIO)
• Pins 17-24: Port C (GPIO)
• Pins 25-32: Port D (GPIO)
• Pins 33-40: Port E (GPIO)
• Pins 41-48: Port F (GPIO)
• Pins 49-56: Port G (GPIO)
• Pins 57-64: Port H (GPIO)
• Pins 65-72: Port J (GPIO)
• Pins 73-80: Port K (GPIO)
• Pins 81-88: Port L (GPIO)
• Pins 89-96: Port M (GPIO)
• Pins 97-104: Port N (GPIO)
• Pins 105-112: Port P (GPIO)
• Pins 113-120: Port R (GPIO)
• Pins 121-128: Port S (GPIO)
• Pins 129-136: Port T (GPIO)
• Pins 137-144: Miscellaneous pins (Reset, IRQ, etc.)

Functional Features

• High-performance 16-bit HCS12 core for efficient processing
• Integrated peripherals such as UART, SPI, I2C, CAN, ADC, PWM, etc.
• Flash memory for program storage and EEPROM for data storage
• Low-power consumption for extended battery life
• Robust operating temperature range suitable for automotive applications
• Enhanced security features to protect sensitive data
• Flexible clocking options for precise timing requirements

Advantages and Disadvantages

Advantages: - High-performance architecture for demanding applications - Wide range of integrated peripherals for versatile functionality - Low-power consumption for energy-efficient designs - Extended operating temperature range for automotive environments - Enhanced security features for data protection

Disadvantages: - Limited RAM size compared to some other microcontrollers - Higher cost compared to lower-end microcontrollers - Steeper learning curve for beginners due to advanced features

Working Principles

The MC9S12DT256MFUE 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 microcontroller communicates with external devices through its GPIO ports, UART, SPI, I2C, CAN, etc. It can read analog signals using its built-in ADC and generate PWM signals for controlling motors or other actuators. The microcontroller's firmware is developed using a programming language like C or assembly, which is then compiled and loaded onto the device.

Detailed Application Field Plans

The MC9S12DT256MFUE microcontroller finds extensive use in automotive applications, including but not limited to:

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
7. Lighting control modules
8. Powertrain control modules (PCMs)

Its high-performance capabilities, integrated peripherals, and robust operating temperature range make it suitable for demanding automotive environments.

Detailed and Complete Alternative Models

1. MC9S12DG256MFUE: Similar microcontroller with 256 KB flash memory, but different pin configuration.
2. MC9S12DJ256MFUE: Another variant with 256 KB flash memory and a different set of integrated peripherals.
3. MC9S12DT128MFUE: Lower flash memory variant with 128 KB capacity, suitable for less complex applications.
4. MC9S12DP256MFUE: Higher-end model with additional features like Ethernet connectivity and more GPIO pins.

These alternative models offer varying specifications and features to cater to different application requirements.

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