The MC68HC05C4FN is an 8-bit microcontroller from the Motorola 68HC05 family, now supplied by Rochester Electronics. It is designed for low-cost embedded control applications.

Applications:

• Consumer Electronics: Used in remote controls, toys, and small appliances.
• Automotive Systems: Employed in simple automotive control systems.
• Industrial Control: Utilized in basic industrial control applications.
• Security Systems: Integrated into security alarm systems and access control devices.
• Instrumentation: Found in basic measurement and instrumentation equipment.

Features:

• 8-Bit Architecture: Based on the 68HC05 CPU core.
• On-Chip Memory: Includes 4 KB of ROM (Read-Only Memory).
• RAM: Contains 176 bytes of RAM (Random Access Memory).
• I/O Ports: Offers 20 I/O (Input/Output) pins.
• Timer: Features a 16-bit timer with interrupt capability.
• Serial Communication: Includes a serial communication interface (SCI).

Benefits:

• Low Cost: Provides a cost-effective solution for embedded control applications.
• Integrated Peripherals: Includes various on-chip peripherals, reducing the need for external components.
• Low Power Consumption: Designed for low-power operation, suitable for battery-powered devices.
• Easy to Use: Features a simple architecture and instruction set, making it easy to program.
• Availability: Supported by Rochester Electronics, ensuring continued availability.

Additional Details:

The MC68HC05C4FN comes in a narrow body SOIC (Small Outline Integrated Circuit) package. It operates at a frequency of up to 4 MHz. The instruction set includes arithmetic, logical, and control instructions, making it suitable for a wide range of embedded applications. The SCI (Serial Communication Interface) allows for serial communication with other devices. The FN suffix typically indicates a SOIC package.