MC9S12DT256VFUE

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: 16-bit microcontroller with Flash memory and EEPROM
• Packaging/Quantity: Tape and reel, 250 units per reel

Specifications

• Architecture: 16-bit HCS12
• CPU Speed: Up to 25 MHz
• Program Memory Size: 256 KB Flash
• Data Memory Size: 4 KB RAM
• EEPROM Size: 2 KB
• Operating Voltage Range: 2.35V to 5.5V
• Number of I/O Pins: 84
• Timers/Counters: 8-channel 16-bit timers
• Communication Interfaces: SCI, SPI, I2C, CAN
• Analog-to-Digital Converter (ADC): 10-bit, 8-channel
• PWM Channels: 6
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MC9S12DT256VFUE 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 (I/O)
• Pins 17-24: Port B (I/O)
• Pins 25-32: Port C (I/O)
• Pins 33-40: Port D (I/O)
• Pins 41-48: Port E (I/O)
• Pins 49-56: Port F (I/O)
• Pins 57-64: Port G (I/O)
• Pins 65-72: Port H (I/O)
• Pins 73-80: Port J (I/O)
• Pins 81-88: Port K (I/O)
• Pins 89-96: Port L (I/O)
• Pins 97-104: Port M (I/O)
• Pins 105-112: Port N (I/O)

Functional Features

• High-performance 16-bit CPU with enhanced HCS12 architecture
• Integrated Flash memory for program storage
• EEPROM for non-volatile data storage
• Multiple communication interfaces for connectivity options
• Analog-to-Digital Converter for sensor interfacing
• PWM channels for precise control of output signals
• Timers and counters for timekeeping and event management
• Wide operating voltage range for flexibility in power supply

Advantages and Disadvantages

Advantages: - High-performance CPU enables efficient processing - Integrated peripherals reduce external component count - Flash memory allows for easy program updates - Wide operating temperature range suits automotive applications

Disadvantages: - Limited RAM size may restrict complex applications - 16-bit architecture may not be suitable for certain tasks - Higher power consumption compared to low-power microcontrollers

Working Principles

The MC9S12DT256VFUE microcontroller operates based on the HCS12 architecture. It executes instructions stored in its Flash memory, utilizing the integrated CPU and peripherals to perform various tasks. The microcontroller communicates with external devices through its I/O ports and interfaces such as SCI, SPI, I2C, and CAN. It can read analog signals using the built-in ADC and generate precise digital outputs using PWM channels. The microcontroller's working principles revolve around executing instructions, managing data, and interacting with the surrounding environment.

Detailed Application Field Plans

The MC9S12DT256VFUE microcontroller finds extensive use in automotive applications due to its robustness and integrated features. Some specific application field plans include:

1. Engine Control Units (ECUs): The microcontroller can be used to control fuel injection, ignition timing, and other engine parameters.
2. Body Control Modules (BCMs): It can manage various functions like central locking, lighting control, and climate control in vehicles.
3. Anti-lock Braking Systems (ABS): The microcontroller can monitor wheel speed sensors and control the ABS functionality.
4. Airbag Control Units (ACUs): It can process sensor inputs and trigger airbag deployment in case of a collision.
5. Instrument Clusters: The microcontroller can drive displays, gauges, and indicators in vehicle instrument clusters.

Detailed and Complete Alternative Models

1. MC9S12DG256B: Similar 16-bit microcontroller with Flash memory and EEPROM, but different pin configuration.
2. MC9S12DJ256C: Another member of the HCS12 family with enhanced features and larger memory capacity.
3. MC9S12XEP100: 16-bit microcontroller with extended performance and additional peripherals for advanced applications.
4. MC9S12ZVL32: Low-power variant suitable