The UPD789477GC-A44-8BT-A is a microcontroller unit (MCU) belonging to the 78K0/Kx2 series manufactured by NEC, now Renesas Electronics. This series of MCUs is designed for embedded control applications, prioritizing low power consumption, compact size, and versatile features.
Applications
- Remote Controls: For televisions, audio equipment, and other consumer electronics.
- Home Appliances: Control and monitoring in devices like washing machines, refrigerators, and air conditioners.
- Industrial Control Systems: Process control, motor control, and sensor interfacing in industrial automation.
- Security Systems: Intrusion detection, access control, and alarm systems.
- Automotive Subsystems: Window lift, seat control, and lighting control in vehicles.
Features
- 78K0 CPU Core: Provides a balance between performance and code efficiency.
- Flash Memory: Integrated flash memory for program storage. The size varies by specific configuration.
- SRAM: Internal static RAM for data storage during runtime.
- Timers: Multiple timers and counters for generating PWM signals, measuring time intervals, and counting events.
- Serial Interfaces: UART, CSI, and I2C interfaces for communication with external devices.
- A/D Converter: Analog-to-digital converter for interfacing with analog sensors.
- I/O Ports: General-purpose input/output pins for controlling external devices and reading sensor inputs.
- Low Power Consumption: Designed for low-power operation, suitable for battery-powered applications.
Benefits
- Reduced System Cost: Integration of multiple peripherals reduces the need for external components.
- Improved Performance: Efficient 78K0 core enables fast execution of control algorithms.
- Extended Battery Life: Low power consumption maximizes battery life in portable devices.
- Enhanced Design Flexibility: Versatile feature set and configurable I/O ports allow for diverse application implementations.
- Simplified Development: Comprehensive development tools and resources are available for the 78K0 series.
Additional Details
The UPD789477GC-A44-8BT-A typically operates with a supply voltage in the range of 2.7V to 5.5V. It comes in a QFP package. The exact memory sizes (Flash and SRAM) and the number of I/O pins are configuration-dependent. It also includes a watchdog timer to prevent system malfunctions and power-saving modes to reduce power consumption during idle periods. It is often used in applications requiring precise timing control and reliable operation.