The UPD750064GT-309 is a microcontroller manufactured by NEC. It is part of the 75XL series of microcontrollers, known for their compact size and low power consumption. This microcontroller is designed for a wide range of embedded applications.

Applications:

• Consumer electronics
• Remote controls
• Toys
• Small appliances
• Industrial control systems

Features:

• 8-bit microcontroller
• Low power consumption
• On-chip ROM and RAM
• Multiple I/O ports
• Timer/counter functions
• Serial communication interface
• Interrupt controller

Benefits:

• Compact size: Allows for integration into small devices.
• Low power consumption: Extends battery life in portable applications.
• Integrated peripherals: Reduces the need for external components, simplifying design and lowering cost.
• Versatile I/O: Provides flexibility in interfacing with various sensors and actuators.
• Reliable performance: Ensures stable operation in demanding environments.

The UPD750064GT-309 operates with a supply voltage typically in the range of 2.7V to 5.5V. It includes various memory configurations depending on the specific variant within the 75XL series. The microcontroller's interrupt controller supports multiple interrupt sources, enabling efficient handling of asynchronous events. The serial communication interface can be configured for UART or other protocols.

This microcontroller is often used in applications where cost-effectiveness and low power are critical requirements. Its ease of use and availability of development tools make it a popular choice for both hobbyists and professional engineers.