MC9S12DG256CFUER

Product Overview

• Category: Microcontroller
• Use: Embedded systems, automotive applications
• Characteristics: High performance, low power consumption, extensive peripheral integration
• Package: Ceramic Quad Flat Pack (CFP)
• Essence: 16-bit microcontroller with integrated flash memory and EEPROM
• Packaging/Quantity: Tray packaging, available in bulk quantities

Specifications

• Architecture: 16-bit HCS12 core
• Clock Speed: Up to 25 MHz
• Memory: 256 KB Flash, 4 KB EEPROM, 12 KB RAM
• Operating Voltage: 2.35V to 5.5V
• I/O Pins: 112
• Communication Interfaces: CAN, SPI, SCI, I2C
• Timers: 8-channel 16-bit timers
• Analog-to-Digital Converter: 10-bit resolution, 8 channels
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The MC9S12DG256CFUER 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: Port P (PP0-PP7)

Functional Features

• High-performance 16-bit HCS12 core for efficient processing
• Integrated flash memory and EEPROM for program and data storage
• Extensive peripheral integration including CAN, SPI, SCI, and I2C interfaces
• Multiple timers for precise timing control
• Analog-to-Digital Converter for accurate analog signal measurements
• Wide operating voltage range for flexibility in various applications
• Low power consumption for energy-efficient designs

Advantages and Disadvantages

Advantages

• High performance and extensive peripheral integration make it suitable for complex embedded systems.
• Integrated flash memory and EEPROM provide ample storage for program and data.
• Wide operating voltage range allows for compatibility with different power supply configurations.
• Low power consumption helps in designing energy-efficient applications.

Disadvantages

• Limited RAM capacity may restrict the complexity of applications that can be implemented.
• The ceramic quad flat pack (CFP) package may not be suitable for space-constrained designs.

Working Principles

The MC9S12DG256CFUER microcontroller operates based on the 16-bit HCS12 core architecture. It executes instructions stored in its flash memory and interacts with external devices through its integrated peripherals. The microcontroller's pins are used to connect to external components and enable communication and control.

Application Field Plans

The MC9S12DG256CFUER microcontroller is widely used in automotive applications such as engine control units, body control modules, and instrument clusters. Its high performance, extensive peripheral integration, and compatibility with automotive standards make it suitable for these applications.

Alternative Models

• MC9S12DG128CFUER: Similar to MC9S12DG256CFUER but with 128 KB flash memory instead of 256 KB.
• MC9S12DG64CFUER: Similar to MC9S12DG256CFUER but with 64 KB flash memory instead of 256 KB.
• MC9S12DG32CFUER: Similar to MC9S12DG256CFUER but with 32 KB flash memory instead of 256 KB.

These alternative models offer different flash memory capacities to cater to varying application requirements.

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