MC9S12XEP768CAL

Product Overview

• Category: Microcontroller
• Use: Embedded systems, automotive applications
• Characteristics:
  • High-performance 16-bit microcontroller
  • Advanced integration of peripherals
  • Designed for automotive applications
• Package: CAL package (Chip Array LQFP)
• Essence: Powerful and versatile microcontroller for automotive embedded systems
• Packaging/Quantity: Available in tape and reel packaging, quantity varies based on supplier

Specifications

• Architecture: 16-bit HCS12X core
• Clock Speed: Up to 50 MHz
• Flash Memory: 768 KB
• RAM: 48 KB
• Operating Voltage: 2.35V to 5.5V
• Operating Temperature Range: -40°C to +125°C
• Peripherals:
  • 16-channel 10-bit ADC
  • CAN module
  • SCI (UART) module
  • SPI module
  • PWM module
  • Timers and counters
  • I/O ports

Detailed Pin Configuration

The MC9S12XEP768CAL 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

The MC9S12XEP768CAL microcontroller offers several functional features that make it suitable for automotive applications:

1. High Performance: With a clock speed of up to 50 MHz, it provides fast and efficient processing capabilities.
2. Advanced Integration: The microcontroller integrates various peripherals such as ADC, CAN, UART, SPI, PWM, timers, and counters, reducing the need for external components.
3. Automotive Design: It is specifically designed to meet the stringent requirements of automotive applications, ensuring reliability and durability in harsh environments.
4. Ample Memory: The 768 KB flash memory and 48 KB RAM provide sufficient storage for program code and data.
5. Wide Operating Range: The operating voltage range of 2.35V to 5.5V allows flexibility in different power supply configurations.
6. Extended Temperature Range: With an operating temperature range of -40°C to +125°C, it can withstand extreme temperature conditions.

Advantages and Disadvantages

Advantages:

• High-performance processing capabilities
• Integrated peripherals reduce external component count
• Designed for automotive applications, ensuring reliability
• Ample memory for program code and data storage
• Wide operating voltage range for flexibility
• Extended temperature range for harsh environments

Disadvantages:

• Limited availability of alternative models
• Higher cost compared to lower-end microcontrollers

Working Principles

The MC9S12XEP768CAL microcontroller operates based on the 16-bit HCS12X core architecture. It executes instructions fetched from its flash memory and interacts with various peripherals to perform desired tasks. The clock speed determines the execution speed of instructions, while the integrated peripherals enable communication, data acquisition, and control functions.

Detailed Application Field Plans

The MC9S12XEP768CAL microcontroller finds extensive application in the automotive industry. Some specific application fields include:

1. Engine Control Units (ECUs): It is used in ECUs to control fuel injection, ignition timing, and other engine parameters.
2. Body Control Modules (BCMs): It is employed in BCMs for managing various vehicle body functions such as lighting, door locks, and window controls.
3. Instrument Clusters: It powers instrument clusters, providing information display and control features.
4. Safety Systems: It is utilized in safety systems like airbag control units and anti-lock braking systems (ABS).
5. Infotainment Systems: It enables inf