MC9S12HZ256VAL

Product Overview

• Category: Microcontroller
• Use: Embedded systems, automotive applications
• Characteristics: High-performance, 16-bit microcontroller with integrated peripherals
• Package: 112-pin LQFP (Low-profile Quad Flat Package)
• Essence: The MC9S12HZ256VAL is a powerful microcontroller designed for use in embedded systems, particularly in automotive applications. It offers high performance and integrates various peripherals to facilitate system development.
• Packaging/Quantity: The MC9S12HZ256VAL is available in a 112-pin LQFP package and is typically sold in quantities of one.

Specifications

• Architecture: 16-bit HCS12X core
• Clock Speed: Up to 80 MHz
• Flash Memory: 256 KB
• RAM: 12 KB
• Operating Voltage: 2.35V to 5.5V
• Operating Temperature Range: -40°C to +125°C
• Peripherals: ADC, CAN, SPI, SCI, I2C, PWM, timers, etc.
• Package Dimensions: 20mm x 20mm

Detailed Pin Configuration

The MC9S12HZ256VAL has a total of 112 pins, which are assigned to various functions and peripherals. 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: Analog Inputs (ADC)
• Pins 81-88: CAN Bus
• Pins 89-96: Serial Communication Interfaces (SCI)
• Pins 97-104: Serial Peripheral Interface (SPI)
• Pins 105-112: General Purpose Timers

Functional Features

The MC9S12HZ256VAL offers several functional features that make it suitable for a wide range of applications:

1. High Performance: With its 16-bit HCS12X core and clock speed of up to 80 MHz, the microcontroller delivers excellent processing power.
2. Integrated Peripherals: The MC9S12HZ256VAL incorporates various peripherals such as ADC, CAN, SPI, SCI, I2C, PWM, and timers, enabling seamless integration into complex systems.
3. Flexible I/O Ports: The microcontroller provides multiple GPIO ports, allowing for versatile input/output configurations.
4. Wide Operating Voltage Range: The MC9S12HZ256VAL operates within a voltage range of 2.35V to 5.5V, making it compatible with different power supply systems.
5. Extended Temperature Range: With an operating temperature range of -40°C to +125°C, the microcontroller can withstand harsh environmental conditions.

Advantages and Disadvantages

Advantages

• High-performance processing capabilities
• Integrated peripherals simplify system development
• Versatile I/O ports for flexible configuration
• Wide operating voltage range for compatibility
• Extended temperature range for durability

Disadvantages

• Limited RAM capacity (12 KB)
• Relatively large package size (112-pin LQFP)

Working Principles

The MC9S12HZ256VAL operates based on the 16-bit HCS12X core architecture. It executes instructions fetched from the flash memory and interacts with various peripherals to perform specific tasks. The microcontroller communicates with external devices through its I/O ports, enabling data exchange and control operations.

Detailed Application Field Plans

The MC9S12HZ256VAL is widely used in automotive applications, including:

1. Engine Control Units: The microcontroller plays a crucial role in managing engine functions such as fuel injection, ignition timing, and emission control.
2. Body Control Modules: It controls various electrical systems within the vehicle, including lighting, power windows, door locks, and climate control.
3. Safety Systems: The MC9S12HZ256VAL is utilized in safety-related systems like airbag control units and anti-lock braking systems (ABS).
4. Infotainment Systems: It enables the implementation of advanced infotainment features such as audio/video playback, navigation, and connectivity options.

Detailed and Complete Alternative Models

• MC9S12DG256B
• MC9S12DJ256B
• MC9S12DP256B
• MC9S12DT256B
• MC9S12XEP100CAL
• MC9