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8-bit Microcontroller HC11 CISC ROMLess 5V 52-Pin PLCC

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Service & Packaging

Service & Packaging

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All Parts Extended Quality Guarantee

Initiate the application within 90 days from the shipment date.

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Maintain the goods in their original condition as received.

Lastly, please note that the eligibility for return or exchange of goods is subject to an assessment of the actual condition of the returned items. We will evaluate the received goods before finalizing the return or exchange process. If you have any inquiries or require further assistance regarding returns or exchanges, please don't hesitate to contact us at [email protected]

About packaging

Regarding packaging, our products are carefully packed in anti-static bags to provide ESD anti-static protection. The outer packaging is durable with secure closure. We support various packaging methods such as Tape and Reel, Cut Tape, Tube, or Tray.



Tape and Reel

Tape and Reel

Cut Tape

Cut Tape

Tube or Tray

Tube or Tray

MC68HC11E1CFN3 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 MC68HC11E1CFN3 or email to us: Email: [email protected], we will contact you in 12 hours.


The MC68HC11E1CFN3 microcontroller unit, part of the MC68HC11 family by Freescale Semiconductor, is an efficient and reliable solution for a variety of embedded control applications. Its 8-bit CPU, with a clock speed of up to 3 MHz, provides responsive performance, while the 256 bytes of RAM and 512 bytes of EEPROM offer sufficient memory for data storage and program execution. With 27 I/O pins, interfacing with external devices is straightforward, and the integrated peripherals, including timers, serial communication interfaces, and analog-to-digital converters, add versatility and functionality to the MCU. Whether your project involves automotive, industrial control, or consumer electronics applications, the MC68HC11E1CFN3's programmability in assembly language or high-level languages like C, make it a practical and adaptable choice for meeting your embedded control needs

Key Features

  • Features of the E-series devices include:
  • M68HC11 CPU
  • Power-saving stop and wait modes
  • Low-voltage devices available (3.0–5.5 Vdc)
  • 0, 256, 512, or 768 bytes of on-chip RAM, data retained during standby
  • 0, 12, or 20 Kbytes of on-chip ROM or EPROM
  • 0, 512, or 2048 bytes of on-chip EEPROM with block protect for security
  • 2048 bytes of EEPROM with selectable base address in the MC68HC811E2
  • Asynchronous non-return-to-zero (NRZ) serial communications interface (SCI)
  • Additional baud rates available on MC68HC(7)11E20
  • Synchronous serial peripheral interface (SPI)
  • 8-channel, 8-bit analog-to-digital (A/D) converter
  • 16-bit timer system:
  • – Three input capture (IC) channels
  • – Four output compare (OC) channels
  • – One additional channel, selectable as fourth IC or fifth OC
  • 8-bit pulse accumulator
  • Real-time interrupt circuit
  • Computer operating properly (COP) watchdog system
  • 38 general-purpose input/output (I/O) pins:
  • – 16 bidirectional I/O pins
  • – 11 input-only pins
  • – 11 output-only pins
  • Several packaging options:
  • – 52-pin plastic-leaded chip carrier (PLCC)
  • – 52-pin windowed ceramic leaded chip carrier (CLCC)
  • – 52-pin plastic thin quad flat pack, 10 mm x 10 mm (TQFP)
  • – 64-pin quad flat pack (QFP)
  • – 48-pin plastic dual in-line package (DIP), MC68HC811E2 only
  • – 56-pin plastic shrink dual in-line package, .070-inch lead spacing (SDIP)


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

Manufacturer Freescale / NXP Product Category ! Microcontrollers
Series HC11 Packaging ! Tube
Package-Case 52-PLCC (19.1x19.1) Operating-Temperature 38 I/O
Supplier-Device-Package HC11 Number-of-I-O 512 x 8
Speed ROMless EEPROM-Size POR, WDT
Core-Processor 8-Bit RAM-Size Internal
Program Memory Obsolete Peripherals 38
Connectivity Surface Mount Voltage-Supply-Vcc-Vdd 52-LCC (J-Lead)

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 MC68HC11E1CFN3 PDF Download

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