The HT47R20 is an 8-bit A/D type MCU manufactured by Holtek Semiconductor. This microcontroller is designed with a high degree of flexibility and integration, making it suitable for a wide range of applications. Its built-in Analog-to-Digital Converter (ADC) allows for direct interface with analog sensors and signals, streamlining the design process for control and measurement applications.

Applications

• Small home appliances
• Consumer electronic devices
• Industrial control systems
• Data acquisition systems
• Battery chargers
• LED lighting control

Features

• 8-bit A/D type Microcontroller
• On-chip ADC (Analog-to-Digital Converter)
• Internal oscillator
• I/O ports with interrupt capability
• Timer/Counter with PWM (Pulse Width Modulation) output
• Low voltage reset function

Benefits

• Simplified analog signal processing due to the integrated ADC
• Reduced component count and board space, lowering overall system cost
• Flexible timing control with the built-in Timer/Counter and PWM output
• Robust operation with the low voltage reset function
• Easy integration into various applications due to its versatile I/O ports

Additional Details

The HT47R20 operates within a specified voltage range, typically between 2.2V and 5.5V, providing flexibility in power supply design. The internal oscillator eliminates the need for external clock components, further reducing system complexity. The I/O ports are configurable for both input and output operations, and the interrupt capability allows for responsive handling of external events. The ADC features a specific resolution, usually 8 or 10 bits, enabling precise conversion of analog signals. The MCU also includes a watchdog timer to prevent system crashes. Available in various package types, such as DIP and SOP, the HT47R20 offers designers a range of options for different board layouts.