MC68HC11E1VFNE3

Microcontrollers Overview

The MC68HC11E1VFNE3 is an 8-bit microcontroller from the NXP M68HC11E family, utilizing the HC11 core architecture. It features a ROMless program memory configuration with 512 bytes of RAM and 512 bytes of EEPROM. The device operates at a maximum clock frequency of 3 MHz and supports a supply voltage range of 3 V to 5.5 V. It includes an 8-channel, 8-bit Analog-to-Digital Converter (ADC), 38 I/O lines, and interfaces such as SCI and SPI. Packaged in a 52-pin PLCC, it is designed for surface mount installation.

Microcontrollers Feature Summary

• Integrated 8-bit ADC with multiplexer support for analog signal acquisition
• Built-in serial communication capabilities via SCI and SPI modules
• On-chip memory comprising RAM and EEPROM for data storage
• Supports multiple operating modes including single-chip and expanded mode

Microcontrollers Applications

• Industrial control systems requiring robust peripheral integration
• Automotive electronics applications meeting AEC-Q100 standards
• Building automation controllers managing input/output operations
• Programmable Logic Controller (PLC) remote I/O modules

Microcontrollers Procurement Notes

Verify component authenticity through authorized distributors or official manufacturer channels. Confirm RoHS compliance status and check for moisture sensitivity level requirements during handling. Ensure the specific suffix matches design specifications as ordering codes may indicate package variations without altering functional parameters.

Microcontrollers Selection Notes

Select this component when a legacy HC11 architecture is required for system compatibility. Consider the 3 MHz processing speed and available I/O count against application demands. Evaluate the need for on-chip EEPROM versus external memory solutions. Verify that the PLCC-52 package fits the target PCB layout constraints.

Microcontrollers Part Context

This part belongs to the M68HC11E family of 8-bit microcontrollers, originally developed by Freescale Semiconductor and now managed by NXP Semiconductors. The family is characterized by its CISC instruction set and extensive on-chip peripherals. The E1 variant specifically denotes the memory configuration within this series.

Microcontrollers Replacement Considerations

Consult official replacement lists for discontinued parts. Potential substitutes include other members of the M68HC11E family with compatible pinouts and memory sizes. Verify electrical characteristics and software compatibility before transitioning to alternative part numbers.