Part Number: MCHC11F1CFNE4

Manufacturer: NXP USA Inc.


Shipped from: Shenzhen/HK Warehouse

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Technical Specifications of MCHC11F1CFNE4

Datasheet  MCHC11F1CFNE4 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 4MHz
Connectivity SCI, SPI
Peripherals POR, WDT
Number of I/O 30
Program Memory Size
Program Memory Type ROMless
EEPROM Size 512 x 8
RAM Size 1K x 8
Voltage – Supply (Vcc/Vdd) 4.75 V ~ 5.25 V
Data Converters A/D 8x8b
Oscillator Type Internal
Operating Temperature -40°C ~ 85°C (TA)
Package / Case 68-LCC (J-Lead)
Supplier Device Package 68-PLCC (25×25)


The MC68HC11F1CFNE4 is a high-performance microcontroller unit (MCU) from the M68HC11 family, which is noted for its sophisticated features, fast operation, and low power consumption. In this detailed tutorial, we will look at the MC68HC11F1CFNE4 microcontroller’s essential characteristics and capabilities, giving you useful insights into its uses and benefits.


The MC68HC11F1CFNE4 microcontroller has a number of critical features that make it an excellent choice for a variety of embedded systems and applications. The following are the main characteristics of the MC68HC11F1CFNE4:

  • Central Processing Unit (CPU) M68HC11: The MCU is powered by a dependable and efficient 8-bit CPU, which serves as the core of its processing power.
  • It features power-saving modes such as STOP and WAIT, which allow for reduced power usage during idle times or when certain conditions are satisfied.
  • Electrically Erasable Programmable Read-Only Memory (EEPROM): The existence of EEPROM enables for non-volatile data storage, making it suited for applications that require data preservation even after power cycles.
  • Data kept During Standby: The MCU has 1024 bytes of RAM, which ensures that data is kept even while the device is in standby mode.
  • No multiplexed Address and Data Buses: No multiplexed buses improve data accessibility and allow for more efficient communication between microcontroller components.
  • Upgraded 16-Bit Timer: For accurate timing and control applications, an upgraded 16-bit timer is available.
  • Three Input Capture (IC) Channels: The MCU has three input capture channels, allowing it to accurately capture external events.
  • Four Output Compare (OC) Channels: Four output compare channels allow for the generation of a wide range of output signals and waveforms.
  • One more channel, selectable as the fourth or fifth IC: Its adaptability is further enhanced by the ability to configure an additional channel as an input capture or output compare channel.
  • 8-Bit Pulse Accumulator: The 8-bit pulse accumulator can count and accumulate pulses, making it appropriate for pulse measuring applications.
  • The real-time interrupt circuit ensures that time-critical operations are completed promptly and accurately.
  • Computer Operating Properly (COP) Watchdog: The COP watchdog timer improves system reliability by monitoring system operation and performing remedial measures as needed.
  • The upgraded SCI allows asynchronous serial communication, making it useful for connecting with other devices and peripherals.
  • Synchronous Serial Peripheral Interface (SPI) Enhancement: The MCU includes an upgraded SPI for synchronous data transfer with external devices.
  • Eight-Channel 8-Bit Analog-to-Digital (A/D) Converter: The eight-channel ADC converts analog signals into digital data, making it appropriate for sensor interface and data acquisition.
  • Four Chip-Select Signal Outputs with Programmable Clock Stretching: The availability of four chip-select signal outputs and programmable clock stretching simplifies interfacing with external memory and peripherals.
  • The MCU is offered in two different packaging options: 68-pin Plastic Leaded Chip Carrier (PLCC) and 80-pin Plastic Quad Flat Pack (QFP). This provides flexibility in design and integration.

The combination of these critical capabilities makes the MC68HC11F1CFNE4 microcontroller a tough and versatile solution for a wide range of applications, including industrial control, automotive systems, consumer electronics, and more. Because of its processing power, memory options, and peripheral compatibility, it is appropriate for both simple and complicated embedded systems.

Peripheral Interfaces

The MC68HC11F1CFNE4 microcontroller includes a number of critical peripheral interfaces, including:

Enhanced Serial Communication (SCI)

  • Allows for asynchronous serial communication with various devices.
  • Features such as baud rate generation and error detection are supported.

Synchronous Serial Peripheral Interface (SPI)

  • Allows for fast synchronous data transfer with external devices.
  • Adaptable to different data exchange mechanisms.

Analog-to-Digital Conversion (ADC)

  • An eight-channel 8-bit ADC for translating analog signals to digital data.
  • Perfect for sensor readings and data collection.

Pulse Accumulator

  • Allows for the counting and accumulation of pulses.
  • This is useful for activities such as frequency measuring and event counting.

Input Capture and Output Compare Channels

  • Three Input Capture (IC) channels are provided for accurate event timing measurements.
  • Four Output Compare (OC) channels are used to generate precise timing signals and waveforms.

These peripheral connections increase the adaptability of the MC68HC11F1CFNE4, making it appropriate for a wide range of applications needing external device communication, analog-to-digital conversion, and precise event timing and control.

Power Management

The MC68HC11F1CFNE4 microcontroller includes advanced power management functions to improve energy efficiency and system reliability. Here’s a quick rundown of these power management features.

Power Saving Modes: STOP and WAIT:

  • To conserve energy during idle periods or under specified conditions, the MCU has two power-saving modes: STOP and WAIT.
  • STOP mode disables the CPU and peripheral clocks while retaining RAM contents, considerably decreasing power usage.
  • WAIT mode disables the CPU clock but keeps peripherals active for low-power operation.

Real-Time Interrupt Circuit:

  • The real-time interrupt circuit ensures that time-critical operations are completed as soon as possible.
  • It enables the microcontroller to respond to real-time events more quickly, boosting system responsiveness.

Watchdog (COP) Timer:

  • The Watchdog Timer for Computers Operating Properly (COP) improves system reliability.
  • It monitors the microcontroller’s activity and resets it if a specified sequence is not followed, assisting in the prevention of system crashes caused by software errors.

These power management capabilities make the MC68HC11F1CFNE4 microcontroller a reliable solution for a wide range of embedded systems that require efficient power utilization, real-time responsiveness, and better system reliability.


  • Embedded Systems
  • Industrial Automation
  • Automotive Electronics
  • Consumer Electronics

Advantages and Benefits

The MC68HC11F1CFNE4 microcontroller has a number of characteristics that make it a good choice for embedded systems and other applications. Here’s a quick rundown of its main benefits:

High Efficiency

  • The MCU has a powerful 8-bit CPU and an improved 16-bit timer, which allows for fast processing and precise timing.
  • It has efficient computational capabilities, making it appropriate for applications that require real-time responsiveness and speedy data processing.

Low Power Consumption

  • The MCU can drastically minimize power usage during idle periods by using power-saving modes like as STOP and WAIT.
  • This energy-efficient design is critical for battery-powered and low-power applications, allowing devices to operate for longer periods of time between power sources.

Versatile Peripheral Support

  • The microcontroller includes a variety of peripheral interfaces, including as UART, SPI, ADC, and others, to allow communication with various external devices.
  • Because of its adaptability, developers may interface with sensors, displays, memory devices, and other peripherals, making it suitable for a wide range of applications.

Robust Architecture

  • The MCU’s totally static design allows it to operate across a wide frequency range, increasing its resilience and stability.
  • It is ideal for applications requiring extreme climatic conditions or where system reliability is important.

These benefits combine to position the MC68HC11F1CFNE4 microcontroller as a dependable and versatile choice for embedded systems, industrial automation, automotive electronics, and a variety of other applications that require a combination of performance, power efficiency, and adaptability.


In conclusion, the MC68HC11F1CFNE4 microcontroller offers an adaptable option for a wide range of embedded applications. Its strong design, powerful CPU, and comprehensive peripheral support enable systems that are both efficient and responsive.

It’s perfect for battery-powered and diversified industry applications because of its low power consumption and versatile peripherals. Because of its stability and dependability, it is an excellent choice for systems that demand integrity.

Whether you’re a seasoned programmer or new to embedded systems, this microcontroller provides the performance and versatility required to bring your ideas to life. It remains a valuable tool in a variety of applications as technology progresses. Contact ICRFQ for seamless integration into your project to maximize its potential.

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