Manufacturer Part Number
MC68HC11K1CFNE4
Manufacturer
nxp-semiconductors
Introduction
The MC68HC11K1CFNE4 is an obsolete embedded microcontroller developed by NXP Semiconductors, built on the HC11 series platform. It operates on an 8-bit core processor known as HC11 and supports a clock speed of up to 4MHz.
Product Features and Performance
8-bit HC11 core processor
Speed of 4MHz
SCI and SPI connectivity options
Includes peripherals like POR (Power On Reset), PWM (Pulse Width Modulation), and WDT (Watchdog Timer)
Provides 37 I/O ports
ROMless program memory
640 x 8 EEPROM size
768 x 8 RAM size
Supports 4.5V ~ 5.5V supply voltage
Features A/D converter with 8x8b resolution
Internal oscillator
Operates within -40°C ~ 85°C
Product Advantages
Flexible I/O options enhance interfacing capabilities
Built-in peripherals reduce the need for external components
Suitable for a wide range of supply voltages
Embedded A/D converter simplifies analog signal processing
Key Technical Parameters
Core Processor: HC11
Core Size: 8-Bit
Speed: 4MHz
Connectivity: SCI, SPI
EEPROM Size: 640 x 8
RAM Size: 768 x 8
Voltage Supply (Vcc/Vdd): 4.5V ~ 5.5V
Operating Temperature: -40°C ~ 85°C
Quality and Safety Features
The device is designed to maintain stable operation within its designated temperature range and voltage supply parameters, ensuring reliability in various applications.
Compatibility
Its versatile I/O options and support for standard communication protocols make it compatible with a wide array of peripherals and microcontroller-based systems.
Application Areas
Traditionally used in automotive, industrial control, sensor monitoring, and consumer electronics before being classified as obsolete.
Product Lifecycle
The MC68HC11K1CFNE4 is now considered obsolete, meaning it is no longer in production by NXP Semiconductors. Replacement options or upgrades should be considered for new designs.
Several Key Reasons to Choose This Product
Proven HC11 core provides a reliable foundation for embedded applications.
A broad set of integrated peripherals minimizes external component requirements.
Flexibility in power supply and connectivity options.
Built-in analog-to-digital converter aids in processing real-world signals.
Obsolescence status prompts consideration of future-proof alternatives for long-term projects.
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