MC68HC11E1CFNE2: A Robust 8-Bit Microcontroller for Embedded Applications

The MC68HC11E1CFNE2 is a high-performance, ROMless 8-bit microcontroller (MCU) manufactured by NXP USA Inc., renowned for its reliability and versatility in embedded systems. Despite being marked as obsolete, this MCU remains a popular choice for developers working on legacy projects or those requiring specific features that are not available in newer models. Below, we delve into the key specifications and capabilities of this IC, highlighting its suitability for various applications.

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Product Overview

Manufacturer and Category

• Manufacturer: NXP USA Inc.
• Big Category: Integrated Circuits (ICs)
• Small Category: Embedded - Microcontrollers

The MC68HC11E1CFNE2 belongs to the broader category of integrated circuits (ICs), specifically focusing on embedded microcontrollers. It leverages the robust architecture of the HC11 core processor, making it ideal for industrial, automotive, and consumer electronics applications.

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Core Specifications

Processor and Architecture

• Core Processor: HC11
• Core Size: 8-Bit

The HC11 core provides an efficient balance between performance and power consumption, ensuring reliable operation even in resource-constrained environments. Its 8-bit architecture simplifies programming and reduces complexity, making it accessible for both novice and experienced developers.

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Performance and Connectivity

• Speed: 3MHz
• Connectivity: SCI (Synchronous/Asynchronous Serial Interface), SPI (Serial Peripheral Interface)

With a clock speed of 3MHz, the MC68HC11E1CFNE2 delivers sufficient processing power for real-time control and data acquisition tasks. The inclusion of SCI and SPI interfaces enables seamless communication with external peripherals such as sensors, displays, and other microcontrollers.

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Peripherals and Features

• Peripherals: Power-On Reset (POR), Watchdog Timer (WDT)
• Number of I/O Pins: 38

The MCU is equipped with essential peripherals like POR and WDT, which enhance system reliability by ensuring proper initialization and monitoring for unexpected faults. With 38 I/O pins, developers have ample flexibility to connect multiple devices and expand functionality.

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Memory Configuration

• Program Memory Type: ROMless
• EEPROM Size: 512 x 8 bits
• RAM Size: 512 x 8 bits

Being ROMless, the MC68HC11E1CFNE2 does not include onboard program memory, allowing users to implement external storage solutions tailored to their specific needs. The EEPROM and RAM provide non-volatile and volatile storage options, respectively, ensuring data persistence and fast access during runtime.

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Analog-to-Digital Conversion

• Data Converters: A/D Converter (8 channels, 8-bit resolution)

The integrated 8-channel, 8-bit A/D converter facilitates analog signal processing, enabling direct interfacing with sensors and other analog devices without requiring additional components.

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Power Supply and Operating Conditions

• Voltage - Supply (Vcc/Vdd): 4.5V ~ 5.5V
• Operating Temperature: -40 C ~ 85 C (TA)

The wide supply voltage range and extended temperature tolerance make this MCU suitable for a variety of operating environments, including harsh industrial conditions.

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Packaging and Mounting

• Mounting Type: Surface Mount
• Package/Case: 52-LCC (J-Lead)
• Supplier Device Package: 52-PLCC (19.1x19.1)

The compact 52-pin PLCC package ensures easy integration onto PCBs while maintaining robust mechanical stability. The surface-mount design further enhances manufacturing efficiency and reliability.

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Applications

Given its feature set, the MC68HC11E1CFNE2 is well-suited for a range of applications, including: - Industrial automation and control systems - Consumer electronics and appliances - Automotive subsystems - Data acquisition and instrumentation

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Why Choose MC68HC11E1CFNE2?

Here are some compelling reasons to consider the MC68HC11E1CFNE2 for your next project: 1. Legacy Support: Despite being obsolete, it remains widely used in legacy systems, ensuring continuity for existing projects. 2. Cost-Effective: Offers a budget-friendly solution without compromising on essential features. 3. Versatile I/O Options: With 38 I/O pins, it provides flexibility for diverse peripheral connections. 4. Robust Performance: The HC11 core and 3MHz speed deliver reliable performance for real-time applications. 5. Wide Operating Range: Operates efficiently across a broad temperature and voltage range, making it suitable for harsh environments.

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Conclusion

While marked as obsolete, the MC68HC11E1CFNE2 continues to be a valuable component for engineers and hobbyists working on legacy projects or seeking cost-effective solutions. Its combination of performance, connectivity, and peripheral support makes it a versatile choice for a wide array of embedded applications. For those looking to procure this MCU, our platform offers competitive pricing and reliable delivery, ensuring your project stays on track.

If you're interested in purchasing the MC68HC11E1CFNE2 or exploring compatible alternatives, visit our website today and take advantage of our extensive inventory and expert customer support. Let us help bring your ideas to life!