Part Number: MC68HC11E1CFNE3

Manufacturer: NXP USA, Inc.

Description: IC MCU 8-bit ROMLESS 52PLCC

Shipped from: Shenzhen/HK Warehouse

Stock Available: Check with us

Technical Specifications of MC68HC11E1CFNE3

Datasheet  MC68HC11E1CFNE3 datasheet
Category Integrated Circuits (ICs)
Family Embedded – Microcontrollers
Manufacturer Freescale Semiconductor – NXP
Series HC11
Packaging Tube
Part Status Active
Core Processor HC11
Core Size 8-Bit
Speed 3MHz
Connectivity SCI, SPI
Peripherals POR, WDT
Number of I/O 38
Program Memory Size
Program Memory Type ROMless
EEPROM Size 512 x 8
RAM Size 512 x 8
Voltage – Supply (Vcc/Vdd) 4.5 V ~ 5.5 V
Data Converters A/D 8x8b
Oscillator Type Internal
Operating Temperature -40°C ~ 85°C (TA)
Package / Case 52-LCC (J-Lead)
Supplier Device Package 52-PLCC (19.1×19.1)

Introducing MC68HC11E1CFNE3

The MC68HC11E1CFNE3 microcontroller strikes the ideal balance between strength and adaptability. This tiny miracle is equipped with an 8-bit architecture, ROMless construction, and a 3 MHz clock speed to revolutionize applications needing effective data processing and control. Prepare to achieve greater levels of performance with MC68HC11E1CFNE3 and advance your projects!

Overview of MC68HC11E1CFNE3

The MC68HC11E1CFNE3 microcontroller is a standout option for a variety of applications because of its outstanding assortment of features and characteristics. Its ROMless architecture offers versatility for personalized program storage, enabling programmers to adapt the memory to their particular requirements. The microcontroller’s 3 MHz clock speed enables quick and effective data processing, enabling smooth operation even during taxing operations.

But there’s more! Because of its small 52-PLCC packaging, the MC68HC11E1CFNE3 is easy to integrate into designs with limited space. This microcontroller provides the ideal size and power ratio for your project, whether you’re working on consumer electronics, industrial automation, or automotive applications.

Architecture and Memory: Unleashing the Power of 8-Bit!

The MC68HC11E1CFNE3 microcontroller’s strong 8-bit architecture, created to provide dependable and efficient performance, is at its core. With this design, data is processed in 8-bit chunks, allowing for exact information control and manipulation.

The MC68HC11E1CFNE3 provides options for both on-chip memory and external memory when it comes to memory. The on-chip memory consists of EEPROM (Electrically Erasable Programmable Read-Only Memory) for non-volatile program storage and RAM (Random Access Memory) for data storage. These built-in memory modules enable rapid and simple access to information and software instructions, ensuring efficient task execution.

The microcontroller has external memory alternatives in addition to on-chip memory, enabling increased storage capacity. Because of this adaptability, programmers can customize the RAM arrangement to suit their own needs and support larger programs and data collections.

The MC68HC11E1CFNE3 is distinguished by its ROMless design, which offers tremendous flexibility in terms of program storage. As opposed to microcontrollers with fixed ROM, the ROMless design gives developers the option of using external EPROM (Erasable Programmable Read-Only Memory) or Flash memory as their preferred method of program storage. This adaptability enables programmers to simply update or modify the program as necessary and customize the microcontroller to their specific application needs.

You have the ability to build and optimize your program storage using the MC68HC11E1CFNE3’s 8-bit architecture and versatile memory configurations, ensuring effective data handling and smooth execution. Utilize the strength of the architecture and memory capacity of the MC68HC11E1CFNE3 to your applications’ maximum potential!

Peripherals and I/O Options

A variety of peripherals are included with the MC68HC11E1CFNE3 microcontroller to increase its capability and enable smooth connectivity and control with external devices.

Multiple timers on the microcontroller enable accurate timing and event planning. These clocks can be used to create precise time delays, record input signals, or create pulse-width modulated (PWM) signals, among other things. You can coordinate activities, manage events, and improve the overall functionality of your applications by using timers.

Serial Interfaces: The MC68HC11E1CFNE3 provides a variety of serial interfaces, including SPI and UART (Universal Asynchronous Receiver/Transmitter). Communication with other devices, such as sensors, displays, or external modules, is made possible by these interfaces. Utilizing these interfaces allows you to connect securely, send commands, and exchange data, enabling seamless interaction with external components.

Analog-to-Digital Converters (ADCs): The microcontroller has integrated ADCs for interacting with analog sensors or signals. These ADCs enable straightforward processing and analysis of real-world signals by converting analog inputs into digital values. The ADCs offer precise and dependable data acquisition capabilities for any analog parameter measurement, including temperature, voltage, and others.

Numerous General-Purpose Input/Output (GPIO) pins are available on the MC68HC11E1CFNE3 and can be set up as inputs or outputs. These pins function as flexible interfaces for securing connections to and managing remote equipment. GPIO pins can be used to construct custom protocols and communication interfaces, direct output signals to actuators or displays, or receive digital inputs from sensors.

The MC68HC11E1CFNE3 enables you to establish seamless connectivity and exercise exact control over external devices by utilizing the power of these peripherals and I/O choices. The MC68HC11E1CFNE3’s peripherals provide you the freedom to realize the full potential of your applications, whether you’re timing crucial events, transferring data with other systems, obtaining analog signals, or interacting with the outside world.

Interrupts and Real-Time Control

Unleashing Precision and responsiveness: The MC68HC11E1CFNE3 microcontroller has a strong interrupt mechanism that improves real-time applications. Quick event processing, precise timing, and effective multitasking are all made possible by interruptions. You may achieve unmatched responsiveness, precise timing control, and modular code organization using an interrupt-driven architecture. Take charge and bring your concepts’ full potential to life!


Versatile Applications Await

The MC68HC11E1CFNE3 microcontroller, which offers dependable performance and cutting-edge functionality, is used in a variety of industries and applications. It fuels vital automobile systems like anti-lock brake systems, dashboard instrumentation, and engine control, ensuring safe and effective vehicle operation.

With its precise control and monitoring capabilities, the microcontroller excels in industrial control applications like factory automation, robotics, and process control. In the medical industry, it makes it possible to create cutting-edge medical gadgets that guarantee precise data collection and processing, like patient monitoring systems and diagnostic tools.

With its seamless connectivity and improved user experiences, the microcontroller powers cutting-edge consumer electronics goods, including home automation systems, smart appliances, and gaming consoles. There are numerous success stories where the MC68HC11E1CFNE3 has enabled designers to develop innovative solutions for various sectors.


With its impressive features and capabilities, the MC68HC11E1CFNE3 microcontroller proves to be a game-changer in the world of embedded systems. Its 8-bit architecture, ROMless design, and 3 MHz clock speed make it a versatile choice for applications requiring efficient data processing and control. The compact 52-PLCC package ensures easy integration into space-constrained designs.

From automotive systems to industrial control, from medical devices to consumer electronics, the possibilities are endless. By leveraging the MC68HC11E1CFNE3, you can develop cutting-edge solutions that drive innovation across industries. Development tools and resources are readily available to facilitate seamless implementation. So, why wait? Contact ICRFQ for more information or to order. Dive into the world of MC68HC11E1CFNE3 and unleash its power in your next embedded system design. Let your ideas take flight and witness the transformative impact of this exceptional microcontroller.

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