MC9S12KG256MFUE

Product Overview

• Category: Microcontroller
• Use: Embedded systems, automotive applications
• Characteristics: High-performance, low-power consumption, integrated peripherals
• Package: 144-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

• Architecture: 16-bit HCS12X core
• Clock Frequency: Up to 25 MHz
• Flash Memory: 256 KB
• RAM: 12 KB
• EEPROM: 2 KB
• Operating Voltage: 2.35V to 5.5V
• Operating Temperature: -40°C to +125°C
• Integrated Peripherals: CAN, SPI, SCI, PWM, ADC, I2C, etc.
• Package Dimensions: 20mm x 20mm

Pin Configuration

The MC9S12KG256MFUE microcontroller has a total of 144 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)
• Pins 113-120: Port R (PR0-PR7)
• Pins 121-128: Port S (PS0-PS7)
• Pins 129-136: Port T (PT0-PT7)
• Pins 137-144: Miscellaneous pins (RESET, IRQ, etc.)

Functional Features

• High-performance 16-bit HCS12X core for efficient processing
• Integrated peripherals such as CAN, SPI, SCI, PWM, ADC, and I2C for versatile connectivity options
• Flash memory for program storage and EEPROM for non-volatile data storage
• Low-power consumption for energy-efficient operation
• Wide operating voltage range and temperature range for automotive applications
• Enhanced security features to protect sensitive data
• Real-time clock (RTC) for timekeeping functionality

Advantages and Disadvantages

Advantages

• Powerful microcontroller with advanced features
• Suitable for automotive applications due to its robustness and wide operating temperature range
• Integrated peripherals reduce the need for external components
• Low-power consumption extends battery life in portable devices
• Enhanced security features provide protection against unauthorized access

Disadvantages

• Limited RAM capacity compared to some other microcontrollers in the market
• Higher cost compared to lower-end microcontrollers
• Steeper learning curve for beginners due to its advanced features

Working Principles

The MC9S12KG256MFUE microcontroller operates based on the 16-bit HCS12X core architecture. It executes instructions stored in its flash memory and interacts with various peripherals to perform specific tasks. The integrated peripherals, such as CAN, SPI, SCI, PWM, ADC, and I2C, enable communication with external devices and sensors. The microcontroller's low-power consumption ensures efficient operation even in battery-powered applications.

Detailed Application Field Plans

The MC9S12KG256MFUE microcontroller finds extensive use in automotive applications, including:

1. Engine control units (ECUs)
2. Body control modules (BCMs)
3. Anti-lock braking systems (ABS)
4. Airbag control units (ACUs)
5. Infotainment systems
6. Climate control systems
7. Lighting control modules
8. Powertrain control modules (PCMs)

Its robustness, wide operating temperature range, and integrated peripherals make it suitable for demanding automotive environments.

Detailed and Complete Alternative Models

• MC9S12KG128MFUE: Similar features but with 128 KB of flash memory instead of 256 KB
• MC9S12KG64MFUE: Lower-end model with 64 KB of flash