MC9S12XD256MAG

Product Overview

• Category: Microcontroller
• Use: Embedded systems, automotive applications
• Characteristics: High-performance, low-power consumption, integrated peripherals
• Package: 112-pin LQFP (Low-Profile Quad Flat Package)
• Essence: Advanced microcontroller with enhanced features for automotive applications
• Packaging/Quantity: Tray packaging, available in quantities of 250 units

Specifications

• Processor: 16-bit HCS12X core
• Clock Speed: Up to 40 MHz
• Flash Memory: 256 KB
• RAM: 12 KB
• EEPROM: 4 KB
• Operating Voltage: 2.35V to 5.5V
• Operating Temperature: -40°C to +125°C
• Peripherals: CAN, SPI, SCI, I2C, PWM, ADC, etc.
• Package Dimensions: 20mm x 20mm x 1.4mm

Detailed Pin Configuration

The MC9S12XD256MAG 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: Miscellaneous pins (RESET, IRQ, etc.)

Functional Features

The MC9S12XD256MAG microcontroller offers several functional features that make it suitable for automotive applications:

1. High Performance: The 16-bit HCS12X core provides efficient processing capabilities, enabling the microcontroller to handle complex tasks.
2. Low Power Consumption: The MC9S12XD256MAG is designed to operate with minimal power consumption, making it ideal for battery-powered applications.
3. Integrated Peripherals: The microcontroller includes a wide range of integrated peripherals such as CAN, SPI, SCI, I2C, PWM, and ADC, allowing for seamless connectivity and control in automotive systems.
4. Enhanced Security: The MC9S12XD256MAG incorporates security features like memory protection units and secure communication protocols to safeguard sensitive data.

Advantages and Disadvantages

Advantages:

• High-performance processing capabilities
• Low power consumption
• Integrated peripherals simplify system design
• Enhanced security features protect sensitive data
• Suitable for automotive applications

Disadvantages:

• Limited memory capacity compared to some other microcontrollers
• Higher cost compared to lower-end microcontrollers

Working Principles

The MC9S12XD256MAG microcontroller operates based on the principles of embedded systems. It executes instructions stored in its flash memory, processes data, and interacts with external devices through its integrated peripherals. The microcontroller communicates with sensors, actuators, and other components to control various functions in automotive systems.

Detailed Application Field Plans

The MC9S12XD256MAG microcontroller finds extensive application in the automotive industry. Some of its specific application areas include:

1. Engine Control Units (ECUs): The microcontroller is used in ECUs to monitor and control engine parameters, fuel injection, ignition timing, and emissions.
2. Body Control Modules (BCMs): It is employed in BCMs to manage functions like central locking, power windows, lighting control, and climate control.
3. Safety Systems: The microcontroller is utilized in safety systems such as airbag control units, anti-lock braking systems (ABS), and electronic stability control (ESC) modules.
4. Infotainment Systems: It is integrated into infotainment systems to provide features like audio playback, touchscreen interfaces, and connectivity options.

Detailed and Complete Alternative Models

• MC9S12XDT256CAG
• MC9S12XDP512CAG
• MC9S12XEP100CAG
• MC9S12XEQ384CAG