The COP470N is a member of the COP400 family of 4-bit microcontrollers manufactured by Texas Instruments (originally National Semiconductor). These microcontrollers are designed for low-cost, high-volume applications, offering a good balance of functionality and economy.

Applications

• Simple control systems
• Toy and game applications
• Small appliance control
• Remote controls
• Keyboard scanners
• Low-end industrial control

Features

• 4-bit architecture: Optimized for low-complexity tasks.
• On-chip ROM: Program memory is integrated on the chip.
• On-chip RAM: Data memory for variable storage.
• I/O Ports: Provide the interface to the external world for sensing and control.
• Timer/Counter: Allows for timing and counting functions.
• Single supply operation: Typically operates from a single 5V supply.
• Low power consumption: Suitable for battery-powered applications.

Benefits

• Cost-effective solution: Ideal for high-volume, cost-sensitive applications.
• Compact design: Integration of memory and peripherals reduces the need for external components.
• Simplified programming: Instruction set is optimized for control applications.
• Low power operation: Extends battery life in portable devices.
• Flexible I/O: Allows for easy interface to sensors and actuators.

Additional Details

The COP470N microcontroller is typically programmed using a dedicated development system. The ROM size varies depending on the specific variant. The number of I/O pins is also limited, reflecting its intended use in simple control applications. The microcontroller's instruction set includes instructions for arithmetic, logic, and data transfer operations. Interrupt capabilities allow the microcontroller to respond to external events in a timely manner. The package is typically a DIP (Dual In-line Package) suitable for through-hole mounting. Due to its age, modern development tools may not directly support it. However, emulators and specialized programmers can be used. It's important to consult the datasheet for the precise specifications, including memory size, I/O configuration, and electrical characteristics. The device is considered obsolete by many vendors, so availability might be limited.