MC9S12H256VFVE

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: A powerful microcontroller designed for automotive applications
• Packaging/Quantity: Available in tape and reel packaging, quantity varies based on customer requirements

Specifications

• Architecture: 16-bit HCS12X core
• Flash Memory: 256 KB
• RAM: 12 KB
• Operating Voltage: 2.35V to 5.5V
• Operating Temperature Range: -40°C to +125°C
• Clock Speed: Up to 25 MHz
• Peripherals: ADC, CAN, SPI, I2C, PWM, SCI, etc.
• Communication Interfaces: LIN, SCI, SPI, CAN
• Timers: 8-channel 16-bit timers
• Interrupts: 64 interrupt sources
• Package Type: LQFP
• Pin Count: 112

Detailed Pin Configuration

The MC9S12H256VFVE microcontroller has a total of 112 pins. The pin configuration is as follows:

• Pins 1-4: VDD (Power Supply)
• Pins 5-8: GND (Ground)
• Pins 9-12: XTAL (Crystal Oscillator Input)
• Pins 13-16: EXTAL (Crystal Oscillator Output)
• Pins 17-20: RESET (Reset Input)
• Pins 21-28: Port A (General Purpose I/O)
• Pins 29-36: Port B (General Purpose I/O)
• Pins 37-44: Port C (General Purpose I/O)
• Pins 45-52: Port D (General Purpose I/O)
• Pins 53-60: Port E (General Purpose I/O)
• Pins 61-68: Port F (General Purpose I/O)
• Pins 69-76: Port G (General Purpose I/O)
• Pins 77-84: Port H (General Purpose I/O)
• Pins 85-92: Port J (General Purpose I/O)
• Pins 93-100: Port K (General Purpose I/O)
• Pins 101-108: Port L (General Purpose I/O)
• Pins 109-112: VSS (Ground)

Functional Features

• High-performance 16-bit microcontroller with integrated peripherals
• Wide operating voltage range allows for flexibility in various applications
• Flash memory provides non-volatile storage for program code
• Ample RAM for data storage and manipulation
• Multiple communication interfaces for seamless integration with other devices
• Rich set of timers and interrupts for precise timing and event handling
• Robust package design ensures reliable operation in automotive environments

Advantages and Disadvantages

Advantages: - High-performance architecture for demanding applications - Integrated peripherals reduce external component count - Wide operating voltage range allows for compatibility with different power sources - Ample memory for program code and data storage - Multiple communication interfaces enable seamless connectivity

Disadvantages: - Relatively large package size may limit use in space-constrained designs - Limited availability of alternative models with similar specifications

Working Principles

The MC9S12H256VFVE microcontroller operates based on the HCS12X core architecture. It executes instructions stored in its flash memory, processes data using its internal registers and RAM, and interacts with the outside world through its integrated peripherals. The microcontroller's clock generates timing signals for synchronization, and interrupts are used to handle events and prioritize tasks.

Detailed Application Field Plans

The MC9S12H256VFVE microcontroller is widely used in automotive applications, including but not limited to: - Engine control units (ECUs) - Body control modules (BCMs) - Transmission control units (TCUs) - Anti-lock braking systems (ABS) - Airbag control modules - Instrument clusters

Detailed and Complete Alternative Models

While the MC9S12H256VFVE microcontroller offers a powerful solution for automotive applications, there are alternative models available with similar specifications. Some of these alternatives include: - MC9S12H128VFVE: Similar features but with 128 KB flash memory - MC9S12H64VFVE: Lower flash memory capacity (64 KB) but suitable for less demanding applications - MC9S12H32VFVE: Entry-level option with 32 KB flash memory

These alternative models provide flexibility in choosing the right microcontroller based on specific application requirements.

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