Manufacturer Part Number
MC68HC11E1CFNE3R
Manufacturer
nxp-semiconductors
Introduction
The MC68HC11E1CFNE3R is an 8-bit microcontroller from NXP Semiconductor's HC11 series, designed primarily for embedded applications.
Product Features and Performance
Core Processor: HC11
Core Size: 8-Bit
Speed: 3MHz
Connectivity includes SCI (Serial Communications Interface) and SPI (Serial Peripheral Interface)
Features Power-on Reset (POR) and Watchdog Timer (WDT) peripherals
Provides 38 I/O pins
ROMless program memory
EEPROM Size: 512 x 8
RAM Size: 512 x 8
Internal oscillator
A/D Converter: 8 channels, 8 bits
Product Advantages
Enhanced communication capability with SCI and SPI
Flexible interfacing with 38 I/O pins
Sufficient storage for small to medium applications with 512 bytes of EEPROM and RAM
Internal oscillator reduces the need for external components
A/D converter for interfacing with analog sensors
Key Technical Parameters
Speed: 3MHz
Voltage Supply (Vcc/Vdd): 4.5V ~ 5.5V
Operating Temperature: -40°C ~ 85°C
Mounting Type: Surface Mount
Package: 52-PLCC
Quality and Safety Features
The MC68HC11E1CFNE3R is built to operate reliably in a wide range of temperatures and conforms to the strict quality standards of NXP Semiconductors.
Compatibility
This microcontroller is compatible with various external peripherals and interfaces, due to its SPI and SCI capabilities. Its IO compatibility is broad, making it suitable for an array of electronic components.
Application Areas
Embedded systems
Industrial controls
Automotive applications
Consumer electronics
Product Lifecycle
The MC68HC11E1CFNE3R is classified as Obsolete, meaning it is not recommended for new design applications. Alternatives or upgrades should be considered for future projects.
Several Key Reasons to Choose This Product
The integration of SCI and SPI provides excellent communication capabilities.
Internal oscillator and peripherals like POR and WDT simplify circuit design.
A/D converters facilitate direct sensor interfacing.
It’s from NXP Semiconductors, a trusted name in microcontroller production.
Even though it's obsolete, it remains a viable choice for existing designs needing maintenance or minimal updates.