MC68711E20CFNE2

MC68711E20CFNE2

MC68711E20CFNE2 – 8-bit Microcontroller with 20KB OTP – NXP Semiconductors

This NXP Semiconductors MC68711E20CFNE2 8-bit microcontroller delivers robust embedded control for demanding applications. Engineered for reliability in industrial environments, it combines essential peripherals with OTP memory security. PCX ensures genuine NXP components with rapid shipping and dedicated technical support.

Key Features

• Core Architecture: HC11 8-bit processor @ 2MHz clock speed
• Memory Configuration: 20KB OTP program memory + 768B RAM + 512B EEPROM
• Voltage Range: 4.5V–5.5V operation
• I/O Capabilities: 38 programmable I/O pins
• Communication Interfaces: SCI and SPI for serial connectivity
• Operating Temperature: Industrial-grade -40°C to +85°C

Technical Details

The MC68711E20CFNE2 features an optimized 8-bit HC11 core with integrated 8-channel 8-bit ADC for precision analog measurements. Its on-chip peripherals include Power-On Reset (POR) and Watchdog Timer (WDT) for system stability. Housed in a compact 52-PLCC (J-Lead) surface-mount package, this microcontroller utilizes internal oscillation and offers OTP memory for code security in volume production.

Typical Applications

• Industrial automation controllers
• Automotive control modules
• Legacy embedded systems maintenance
• Medical instrumentation interfaces
• Building automation sensors

About NXP Semiconductors

NXP Semiconductors is a global leader in secure connectivity solutions for embedded applications, renowned for innovation in automotive, industrial, and IoT markets. With over 60 years of semiconductor expertise, NXP drives technological advancements through rigorous quality standards and cutting-edge R&D.

The company’s microcontrollers are trusted worldwide for their robustness and longevity, particularly in safety-critical systems. NXP maintains industry-leading certifications and provides comprehensive technical documentation, ensuring designers have reliable resources for product development.

About Microcontrollers

Microcontrollers serve as the computational heart of embedded systems, integrating processor cores, memory, and peripherals on a single chip. Their compact design and low-power operation make them indispensable for real-time control applications across industries.

8-bit variants like the HC11 series remain vital for cost-sensitive or legacy designs requiring deterministic performance. These components excel in tasks demanding precise timing control, sensor interfacing, and low-latency responses without complex operating systems.

Packaging Options

Available in protective Tube packaging for secure handling during assembly. Contact PCX for bulk order configurations.

Frequently Asked Questions

Q: Is this MCU suitable for automotive applications?
A: Yes, its -40°C to +85°C operating range supports automotive environments.

Q: What does “OTP” mean for program memory?
A: One-Time Programmable (OTP) memory provides code security but isn’t erasable after programming.

Q: Can I still get technical documentation for this obsolete part?
A: Yes, PCX provides access to the original NXP datasheet for design reference.

Q: Does it require external crystal components?
A: No, it features an internal oscillator for simplified design.

Q: How many A/D converters does it include?
A: It integrates an 8-channel, 8-bit analog-to-digital converter (ADC).

Q: Is this compatible with HC11 development tools?
A: Yes, it maintains backward compatibility with standard HC11 toolchains.

*Note: Product images are representational. Refer to datasheet for exact specifications.

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