8. Timer, GPIO, and 7-Segment Peripherals
Peripherals such as timers, GPIO, and 7-segment displays are essential for enabling interaction between microcontrollers and their external environment. This chapter elaborates on their functionalities, types, applications, and performance considerations in embedded systems, emphasizing efficient communication through the AHB interface.
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What we have learnt
- Peripherals enhance microcontroller capabilities for time-critical tasks and user interactions.
- Timers serve various functions including event counting and precise delay generation.
- GPIO provides flexible input/output options for external interactions.
- 7-segment displays are used to visually represent numeric data in embedded applications.
- Understanding the interaction of these components enables optimized design in real-time systems.
Key Concepts
- -- Timers
- Devices that generate precise time intervals to manage events within embedded systems.
- -- GPIO (General Purpose Input/Output)
- Configurable pins used for digital input or output operations, functioning as interfaces for microcontroller communication.
- -- 7Segment Display
- A display device used for presenting numeric information through the illumination of segmented LEDs.
- -- AHB (Advanced Highperformance Bus)
- A bus system designed for high-speed and low-latency communication between processors and peripherals.
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