The TMP47C820F is a single-chip 4-bit microcomputer manufactured by Toshiba Semiconductor and Storage. It integrates a CPU, ROM, RAM, and I/O ports, making it suitable for a wide range of control applications. Its low power consumption and versatile I/O capabilities make it a suitable choice for battery-operated devices and embedded systems.

Applications

• Remote controls: Used in remote controls for televisions, stereos, and other electronic devices.
• Toys: Employed in toys for controlling movement, sound, and other functions.
• Small appliances: Utilized in small appliances such as rice cookers, blenders, and coffee makers.
• Security systems: Implemented in security systems for sensor monitoring and alarm control.
• Industrial control: Used in basic industrial control applications for process monitoring and control.

Features

• 4-bit CPU: Incorporates a 4-bit central processing unit for executing instructions.
• Internal ROM and RAM: Includes on-chip ROM for program storage and RAM for data storage.
• I/O Ports: Provides multiple input/output ports for interfacing with external devices.
• Timer/Counter: Features a timer/counter for timing and counting functions.
• Interrupt Capability: Supports interrupt capability for responding to external events.

Benefits

• Low Power Consumption: Consumes minimal power, extending battery life in portable devices.
• Integrated Functionality: Reduces external component count, simplifying system design.
• Versatile I/O: Offers flexible interfacing with a variety of external devices.
• Cost-Effective: Provides a cost-effective solution for simple control applications.
• Compact Size: Allows for integration into small and lightweight devices.

Additional Details

The TMP47C820F typically operates from a low voltage supply. The specific amount of ROM and RAM, as well as the number of I/O ports, vary based on the specific model. The instruction set includes basic arithmetic and logical operations, as well as control flow instructions. Development tools, such as assemblers and emulators, are often available to assist in programming. This microcomputer provides a simple and economical solution for embedded control systems where processing requirements are not extensive.