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MC68HC11F1CFN4 computing device

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MC68HC11F1CFN4 DataSheet


Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!

Rapid Quote

Please submit RFQ for MC68HC11F1CFN4 or email to us: Email: [email protected], we will contact you in 12 hours.


The MC68HC11F1CFN4, produced by Motorola, is a high-performance microcontroller unit perfect for a wide range of embedded systems. With its 8-bit CPU core capable of running at up to 3 MHz, this MCU delivers impressive speed and efficiency. Its 512 bytes of RAM and 12 KB of ROM provide ample space for storing programs and manipulating data, ensuring smooth operation


Key Features

  • MC68HC11 CPU
  • 512 Bytes of On-Chip Electrically Erasable Programmable ROM
  • (EEPROM) with Block Protect (MC68HC11F1 only)
  • 1024 Bytes of On-Chip RAM (All Saved During Standby)
  • Enhanced 16-Bit Timer System
  • — 3 Input Capture (IC) Functions
  • — 4 Output Compare (OC) Functions
  • — 4th IC or 5th OC (Software Selectable)
  • On-Board Chip-Selects with Clock Stretching
  • Real-Time Interrupt Circuit
  • 8-Bit Pulse Accumulator
  • Synchronous Serial Peripheral Interface (SPI)
  • Asynchronous Nonreturn to Zero (NRZ)
  • Serial Communication Interface (SCI)
  • Power saving STOP and WAIT Modes
  • Eight-Channel 8-Bit A/D Converter (MC68HC11F1 only)
  • Computer Operating Properly (COP) Watchdog System
  • and Clock Monitor
  • Bus Speeds of up to 6 MHz for the MC68HC11FC0
  • and up to 5 MHz for the MC68HC11F1
  • 68-Pin PLCC (MC68HC11F1 only), 64-Pin QFP (MC68HC11FC0 only),
  • and 80-pin TQFP package options


The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Product Category ! 8-bit Microcontrollers - MCU Series HC11
Mounting Style SMD/SMT Package / Case PLCC-68
Core HC11 Program Memory Size 512 B
Data Bus Width 8 bit ADC Resolution 8 bit
Maximum Clock Frequency 4 MHz Data RAM Size 1 kB
Supply Voltage - Min 5 V Supply Voltage - Max 5 V
Minimum Operating Temperature - 40 C Maximum Operating Temperature ! + 85 C
Brand NXP Semiconductors Height 3.38 mm
Interface Type SCI, SPI Length 24.29 mm
Number of ADC Channels 8 Channel Number of Timers/Counters 1 Timer
Product Type ! 8-bit Microcontrollers - MCU Program Memory Type ! EEPROM
Subcategory Microcontrollers - MCU Width 24.29 mm
Unit Weight 0.171777 oz

Specification Comparison

Datasheet PDF

Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.

Preliminary Specification MC68HC11F1CFN4 PDF Download


What is MC68HC11F1CFN4?

The MC68HC11F1CFN4 is a member of the M68HC11 family of microcontrollers designed by Freescale Semiconductor (now NXP). It is a versatile 8-bit microcontroller suitable for various embedded control applications, including automotive systems, industrial automation, and consumer electronics.

How Does MC68HC11F1CFN4 Work?

The MC68HC11F1CFN4 functions as a powerful 8-bit microcontroller with a rich set of peripherals and on-chip resources. It features a central processing unit (CPU), program and data memory, timers, analog-to-digital converters, serial communication interfaces, and general-purpose I/O ports. The microcontroller executes user-defined programs stored in its memory to control external devices and perform specific tasks.

How Many Pins does MC68HC11F1CFN4 have and What are the Functions of the Pinout Configuration?

The MC68HC11F1CFN4 is housed in a 68-pin plastic quad flat pack (PQFP) package. The pinout configuration includes a wide range of functions, covering power supply, ground connections, input/output ports, and communication interfaces. Some key pins include:

  • VDD, VSS: Power supply and ground pins.
  • Port P: General-purpose I/O port.
  • IRQ: Interrupt request input.
  • Reset: Reset input for system initialization.
  • XTAL, EXTAL: External crystal oscillator connections for system clock.
  • Serial I/O: Pins for serial communication interfaces.
  • Timer/Counter: Pins related to timer and counter modules.

What are the Pros and Cons of MC68HC11F1CFN4?


  • Versatility: Suitable for a wide range of embedded control applications.
  • Rich Peripherals: Offers a diverse set of on-chip peripherals for system integration.
  • Industry Standard: Part of a well-established and widely used microcontroller family.
  • Reliability: Known for robust performance and reliability in various environments.
  • Development Tools: Supported by a range of development tools and resources for efficient programming and debugging.


  • Bit Width: Limited to 8-bit processing, may not be suitable for computationally intensive tasks.
  • Obsolete: Being an older microcontroller, it may not have the latest features and enhancements found in newer devices.
  • Power Consumption: May not be as power-efficient as modern microcontrollers designed for low-power applications.

Are There Any Equivalents/Alternatives to MC68HC11F1CFN4 for Recommendation?

  • The Atmega8 from Microchip (formerly Atmel) is a popular alternative with similar capabilities.
  • Alternatives to the MC68HC11F1CFN4 include the PIC16F877A from Microchip and the STM8S103F3P6 from STMicroelectronics.

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