The MC68HC711K4CFNE4 is an 8-bit microcontroller unit (MCU) manufactured by Freescale Semiconductor (now NXP). It is a member of the HC11 family of microcontrollers, known for their robust architecture and versatility in a wide range of embedded applications. This particular variant, the K4, offers a significant amount of on-chip memory and peripheral capabilities, making it suitable for demanding control and processing tasks.

Applications

• Automotive control systems: Engine management, anti-lock braking systems (ABS), and airbag control.
• Industrial automation: Programmable logic controllers (PLCs), motor control, and process control.
• Consumer electronics: Remote controls, appliances, and security systems.
• Medical devices: Patient monitoring equipment and diagnostic tools.

Features

• 8-bit CPU: Based on the HC11 core, providing efficient processing for a variety of control applications.
• 4 KB of EEPROM: Offers non-volatile memory for storing program code and data, allowing for easy updates and customization.
• 256 bytes of RAM: Provides working memory for data manipulation and program execution.
• Analog-to-Digital Converter (ADC): Enables the microcontroller to interface with analog sensors and signals, allowing for real-world data acquisition.
• Serial Communication Interface (SCI): Supports asynchronous communication with other devices, such as computers or other microcontrollers.
• Serial Peripheral Interface (SPI): Allows for synchronous communication with peripheral devices, such as sensors or memory chips.
• Timer System: Provides capabilities for precise timing and control of external events.
• Input/Output (I/O) Ports: Offer flexible connections to external devices and circuits.

Benefits

• Versatile: Suitable for a wide range of applications due to its rich feature set.
• Reliable: Based on the proven HC11 architecture, ensuring stable and predictable operation.
• Cost-effective: Provides a good balance of performance and cost, making it suitable for budget-sensitive applications.
• Easy to program: Supported by a variety of development tools, including compilers, assemblers, and debuggers.

Additional Details

The MC68HC711K4CFNE4 operates at a clock frequency of up to 8 MHz. It is available in a variety of packages, including PLCC and QFP. The MCU requires a supply voltage of 5V. Its robust design and comprehensive feature set make it a popular choice for embedded system design. The EEPROM allows for in-system programmability which significantly reduces development time and cost. The various communication interfaces enable the microcontroller to communicate with a wide range of external devices. The on-chip ADC provides a convenient way to measure analog signals without requiring external components. Its timer system allows for precise control of external events and PWM generation.