MC9S12XD256VAL

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: Available in tape and reel packaging, quantity varies based on customer requirements

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: Multiple timers, analog-to-digital converters, serial communication interfaces, PWM modules, etc.

Detailed Pin Configuration

The MC9S12XD256VAL microcontroller has a total of 112 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)

Functional Features

• Enhanced Peripherals: The MC9S12XD256VAL microcontroller offers a wide range of integrated peripherals, including timers, analog-to-digital converters, serial communication interfaces, and PWM modules. These peripherals enhance the functionality and flexibility of the microcontroller for various automotive applications.
• High Performance: With a 16-bit HCS12X core and clock speed of up to 40 MHz, the MC9S12XD256VAL provides high processing power, enabling efficient execution of complex tasks.
• Low Power Consumption: The microcontroller is designed to operate at low power levels, making it suitable for battery-powered applications in automotive systems.
• Robust Memory: The 256 KB flash memory, 12 KB RAM, and 4 KB EEPROM provide ample storage capacity for program code, data, and non-volatile memory requirements.
• Wide Operating Range: The MC9S12XD256VAL operates within a wide voltage range of 2.35V to 5.5V, allowing it to be used in various automotive environments.
• Extended Temperature Range: With an operating temperature range of -40°C to +125°C, the microcontroller can withstand extreme conditions commonly encountered in automotive applications.

Advantages and Disadvantages

Advantages: - High-performance processing capabilities - Integrated peripherals for enhanced functionality - Low power consumption for efficient operation - Ample memory capacity for program and data storage - Wide operating voltage range for versatility - Extended temperature range for durability

Disadvantages: - Limited availability of alternative models with similar features - Higher cost compared to lower-end microcontrollers

Working Principles

The MC9S12XD256VAL microcontroller follows the working principles of a typical embedded system. It executes instructions stored in its flash memory, interacts with external devices through its integrated peripherals, and processes data to perform specific tasks. The microcontroller communicates with other components of the system using various communication interfaces, such as UART, SPI, and I2C. It can be programmed using a suitable development environment and programming language.

Detailed Application Field Plans

The MC9S12XD256VAL microcontroller is widely used in automotive applications, including:

1. Engine Control Units (ECUs): The microcontroller plays a crucial role in controlling the engine's fuel injection, ignition timing, and other parameters for optimal performance and efficiency.
2. Body Control Modules (BCMs): It manages various functions related to the vehicle's body, such as lighting, power windows, central locking, and climate control.
3. Anti-lock Braking Systems (ABS): The microcontroller assists in monitoring wheel speed and modulating brake pressure to prevent wheel lock-up during braking.
4. Airbag Control Units (ACUs): It controls the deployment of airbags based on sensor inputs, ensuring passenger safety during collisions.
5. Instrument Clusters: The microcontroller drives the display and controls various indicators,