On the Explorer 16 board, the button S3 is connected to the microcontroller PIC24FJ128GA010. The pin connected to S3 is Pin 100, also known as RB5 (Port B, Bit 5) or AN9 (Analog Input 9).
The purpose of Pin RB5/AN9 is configurable and can be set to serve multiple functions based on the program running on the microcontroller. Some possible purposes of this pin could be:
1. General-purpose input/output (GPIO) pin: This pin can be used as a digital input or output to connect and communicate with external devices.
2. Interrupt pin: It can be configured to generate interrupts when it senses a specific condition, allowing the microcontroller to respond to various events or stimuli.
3. Analog input pin: This pin can be used to read analog values from sensors or other components that provide analog signals. In this case, it would function as AN9, an analog input specifically.
4. Other specialized functions: Depending on the specific microcontroller program, this pin may have other specific purposes or functions defined by the programmer.
The button S3 on Explorer 16 board is connected to a pin of the Microcontroller. Mention the names, number of that pin, and the purpose of that pins.
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